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Clason State Map Dating Table

by Mark Greaves and Carl Leidholm

*State abbreviation and number code is an inventory system employed by the author

AL | AR | AZ | CA | Canada | CO | FL | GA | IA | ID | IL | IN | KS | KY | LA | MA | MD | ME | MI | MN | MO | MS | MT | NC | ND | NB | NH | NJ | NM | NY | OH | OK | Ontario | OR | PA | SC | SD | TN | TX | United States | UT | VA | WA | WI | WV | WY
 
Year Map* Title Sub-title Road Legend Line symbology Marker # Map No. Other
  Alabama              
1923 AL23 Midget Map Principal Cities Paved Roads Road Distances Paved, Highly Improved, Other Thoroughfares Thick, medium, thin none    
1924 AL24a Midget Mileage Map Principal Cities Paved Roads Road Distances Paved, Highly Improved, Other Thoroughfares Thick, medium, thin none    
1925 AL25 Mileage Map Showing State Highways Road Distances Best, Other Thoroughfares Thick, thin none    
1927 AL27 Mileage Map Showing State Highways Road Distances Paved, Gravel or Mac., Sand Clay or Graded, Other 4 styles 12    
1928 AL28 Clason's Road Map Showing State Highways Road Distances Paved, All-weather, Sand Clay or Graded, Other Th. 4 styles 12 R-248A  
1929 AL-MS29 Clason's Road Map Showing Paved Roads, All Weather Roads and Other Thor. Paved, All-weather, Other Thoroughfares Solid, dashed, cased none R-249A  
  Arkansas              
1923 AR23 Midget Map Principal Cities Paved Roads Road Distances Paved&Hard Surfaced, Highly Improved, Other Thoroughfares Thick, medium, thin none    
1924 AR24a Midget Map Principal Cities Paved Roads Road Distances Paved & Surfaced, Improved, Other Thoroughfares Thick, medium, thin none    
1925 AR25 Mileage Map Principal Cities Paved Roads Road Distances Paved & Improved, Other Thoroughfares Thick, thin none    
1927 AR27 Mileage Map Showing Paved Roads Road Distances St. Hwys. US Hwys. Paved, Macadam & Gravel, Graded Earth, Unimpr. 4 styles 10   Still shows named trail markers
1928 AR28 Clason's Road Map Showing Paved Roads, All Weather Roads and Other Thor. Paved, All-weather, Graded Earth, Other Thorough. 4 styles none R-256A  
  Arizona              
1923 AZ23 Midget Map Principal Highways Road Distances Highly Improved, Other Thoroughfares Solid, cased none    
1924 AZ24a Midget Map Principal Highways Road Distances Highly Improved, Other Thoroughfares Solid, cased none    
1925 AZ25 Mileage Map Showing Paved Roads Road Distances Paved, Through Routes, Other Thoroughfares Dashed, solid, cased none    
1926 AZ26 Mileage Map Showing Paved Roads Road Distances Paved, Graveled, Graded Earth, Other Thoroughf. 4 styles none    
1927 AZ27 Mileage Map Showing Paved Roads Road Distances St. Hwys. US Hwys. Paved, Gravel or Macadam, Graded Earth, Other Th. 4 styles 66    
1928 AZ28 Mileage Map Showing Paved Roads Road Distances St. Hwys. US Hwys. Paved, All-weather, Graded Earth, Other Thorough. 4 styles none R-234A  
1929 AZ-NM29 Clason's Road Map Showing Paved Roads, All Weather Roads and Other Thor. Paved, All-weather, Other Thoroughfares Solid, dashed, cased none R-235A  
1931 AZ-NM31 Clason's Road Map Showing Paved Roads, All Weather Roads and Other Thor. Paved or Oiled, All-weather, Other Thoroughfares Solid, dashed, cased none R-235A  
  California              
1923 CA_NV23 Midget Map Showing Principal Cities Paved Roads Road Distances Paved,Thoroughfares, Other Improved Roads Thick, medium,thin none    
1924 CA-NV24a Clason's Paved Road Map none Paved, Highly Improved, Other Thoroughfares Solid, crossed, cased none   Legend instead of Road Legend
1925 CA-NV25 Mileage Map Showing Paved Roads Road Distances Paved, Highly Improved, Other Thoroughfares Solid, crossed, cased none    
1926 CA-NV26 Mileage Map Showing Paved Roads Road Distances Through (3 styles), Secondary (2 styles), Local 6 styles none    
1927 CA-NV27 Mileage Map Showing Paved Roads Road Distances Paved, All-weather, Other Thoroughfares Solid, dashed, cased none    
1928 CA-NV28 Clason's Road Map Showing Paved Roads Road Distances Paved, All-weather, Other Thoroughfares Solid, dashed, cased none R-255A  
1930 CA-NV30 Clason's Road Map Showing Paved Roads, All Weather Roads and Other Thor. Paved, All-weather, Other Thoroughfares Solid, dashed, cased none R-284A  
1931 CA-NV31 Clason's Road Map Showing Paved Roads, All Weather Roads and Other Thor. Paved or Oiled, All-weather, Other Thoroughfares Solid, dashed, cased none R-284A  
  Canada              
1928 CANADA28 Clason's Road Map Showing Paved Roads, All Weather Roads and Other Thor. Paved, All-weather, Other Thoroughfares Solid, dashed, cased none R-300A  
  Colorado              
1923 CO23 Midget Map Showing Road Distances Principal Cities Surfaced, Paved, Highly Improved, Other Th. 4 styles none    
1924 CO24a Midget Map Showing Road Distances Principal Cities Surfaced, Paved, Highly Improved, Other Th. 4 styles none    
1924 CO24b Midget Mileage Map Showing Road Distances Principal Cities Surfaced, Paved, Improved Thick, Dashed, med. none    
1925 CO25 Auto Highway Map none Paved, Main Traveled, Improved, Other, Under cons. 5 styles 5   1925 date on title
1926 CO26 Auto Highway Map none Paved, Thru (2 styles), Secondary (2 styles), Conn. 6 styles 5    
1927 CO27 Mileage Map Showing Paved Roads Road Distances State Highways Paved, All-weather, Graded Earth, Other Thorough. 4 styles 5    
1928 CO28 Clason's Road Map Showing Paved Roads, All Weather Roads and Other Thor. Paved, All-weather, Other Thoroughfares Solid, dashed, cased none R-208A  
  Florida              
1923 FL23 Midget Map Paved Roads Road Distances Principal Cities Paved, Highly Improved, Other Thoroughfares Thick, medium, thin none    
1924 FL24a Midget Milage Map Paved Roads Road Distances Principal Cities Paved, Highly Improved, Other Thoroughfares Thick, medium, thin none   "Mileage" misspelled
1925 FL25 Mileage Map Showing State Highways Road Distances Best, Other Thoroughfares Solid, cased none    
1926 FL26 Mileage Map Showing State Highways Road Distances Hard Surfaced, Graveled, Graded, Other Thoroughf. 4 styles 4    
1927 FL27 Mileage Map Showing Paved Roads Road Distances St. Hwys. US Hwys. Paved, Gravel or Mac., Graded or Sand Clay, Other 4 styles 4    
1928 FL28 Clason's Road Map Showing Paved Roads, All Weather Roads and Other Thor. Paved, Gravel or Graded, Other Thoroughfares 4 styles none R-240A  
1929 FL29 Clason's Road Map Showing Paved Roads, All Weather Roads and Other Thor. Paved, All-weather, Other Thoroughfares Solid, dashed, cased none R-241A  
1931 FL31 Clason's Road Map Showing Paved Roads, All Weather Roads and Other Thor. Paved, Improved Dirt, Other Thoroughfares Solid, dashed, cased none R-241A  
  Georgia              
1923 GA23 Midget Map Principal Cities Paved Roads Road Distances Paved, Highly Improved, Other Thoroughfares Thick, medium, thin 26    
1924 GA24a Midget Map Principal Cities Paved Roads Road Distances Paved & Hard Surfaced, Highly Improved, Other Th. Thick, medium, thin 26    
1925 GA25 Mileage Map Showing State Highways Road Distances Best, Other Thoroughfares Solid, cased 26    
1926 GA26 Mileage Map Showing State Highways Road Distances Hard Surfaced, Graveled, Sand Clay or Graded, Oth. 4 styles 26    
1927 GA27 Mileage Map Showing Paved Roads Road Distances US Hwys. St. Hwys. Paved, All-weather, Topsoil, Other Thoroughfares 4 styles 27    
1928 GA28 Clason's Road Map Showing Paved Roads, All Weather Roads and Other Thor. Paved, All-weather, Topsoil, Other Thoroughfares 4 styles none R-244A  
1929 GA29 Clason's Road Map Showing Paved Roads, All Weather Roads and Other Thor. Paved, All-weather, Other Thoroughfares Solid, dashed, cased none R-245A  
  Iowa              
1923 IA23 Midget Map Showing Principal Cities Road Distances Paved, Highly Improved, Other Thoroughfares Thick, medium, thin 7    
1924 IA24a Midget Map Showing Principal Cities Road Distances Paved, Highly Improved, Other Thoroughfares Thick, medium, thin 7   Paved line missing
1924 IA24b Midget Mileage Map Showing Paved Roads Road Distances State Highways Paved & Improved, Other Thoroughfares Solid, cased 11    
1925 IA25 Mileage Map Showing State Highways Road Distances Best, Other Thoroughfares Solid, cased 11    
1926 IA26 Mileage Map Showing State Highways Road Distances Paved, Graveled, Graded Earth, Other Thoroughf. 4 styles 11    
1927 IA27 Mileage Map Showing Paved Roads Road Distances St. Hwys. US Hwys. Paved, Gravel or Macadam, Graded Earth, Other Th. 4 styles 11    
1928 IA28 Clason's Road Map Showing Paved Roads, All Weather Roads and Other Thor. Paved, All-weather, Other Thoroughfares Solid, dashed, cased none R-210A  
  Idaho             Back To Top
1923 ID23 Midget Map Showing Paved Roads Road Distances Paved, Highly Improved, Other Thoroughfares Thick, medium ,cased none    
1924 ID24a Midget Map Showing Paved Roads Road Distances Paved, Highly Improved, Other Thoroughfares Thick, medium, cased none    
1925 ID25 Mileage Map Showing Paved Roads Road Distances Paved, Through Routes, Other Thoroughfares Dashed, solid, cased none    
1926 ID26 Mileage Map Showing Paved Roads Road Distances Paved, Graveled, Graded Earth, Other Thoroughf. 4 styles none    
1927 ID27 Mileage Map Showing Paved Roads Road Distances St. Hwys. US Hwys. Paved, Gravel or Macadam, Graded Earth, Other Th. 4 styles none    
1928 ID28 Clason's Road Map Showing Paved Roads Road Distances St. Hwys. US Hwys. Paved, All-weather, Graded Earth, Other Thorough. 4 styles none R-238A  
1929 ID29 Clason's Road Map Showing Paved Roads, All Weather Roads and Other Thor. Paved, All-weather, Other Thoroughfares Solid, dashed, cased none R-239A  
  Illinois              
1923 IL 23 Midget Map Showing Principal Cities Paved Roads Road Distances Paved, Highly Improved, Other Thoroughfares Thick, medium, thin 25    
1924 IL24a Midget Mileage Map Showing Principal Cities Paved Roads Road Distances Paved, Highly Improved, Other Thoroughfares Thick, medium, thin 25    
1924 IL24b Midget Mileage Map Showing Paved Roads Road Distances Paved, Other Thorougfares Solid, cased 21/108/R    
1925 IL25 Mileage Map Showing Paved Roads Road Distances Paved, Other Thorougfares Solid, cased 21/108/R    
1926 IL26 Mileage Map Showing Paved Roads Road Distances Paved, Graveled, Graded or Oiled, Other Thorough. 4 styles 21/108/R    
1927 IL27 Mileage Map Showing Paved Roads Road Distances St. Hwys. US Hwys. Paved, Gravel or Macadam, Graded Earth, Other Th. 4 styles 6    
1928 IL28 Clason's Road Map Showing Paved Roads, All Weather Roads and Other Thor. Paved, All-weather, Other Thoroughfares Solid, dashed, cased none R-230AA  
1929 IL29 Clason's Road Map Showing Paved Roads, All Weather Roads and Other Thor. Paved, All-weather, Other Thoroughfares Solid, dashed, cased none R-230A No changes from 28 exc. Map No.
  Indiana              
1923 IN23 Midget Map Showing Road Distances Principal Cities Paved, Highly Improved, Other Thoroughfares Thick, medium, thin 26    
1924 IN24a Midget Mileage Map Showing Paved Roads Road Distances Paved & Hard Surfaced, Other Thoroughfares Solid, cased 27    
1925 IN25 Mileage Map Showing Paved Roads Road Distances Paved & Hard Surfaced, Other Thoroughfares Solid, cased 27    
1926 IN26 Midget Mileage Map Showing Paved Roads Road Distances Paved, Main Graveled, Other Graveled and Earth Solid, dashed, cased 27    
1927 IN27 Mileage Map Showing Paved Roads Road Distances St. Hwys. US Hwys. Paved, Gravel or Macadam, Other Thoroughfares Solid, dashed, cased 27    
1928 IN28 Clason's Road Map Showing Paved Roads, All Weather Roads and Other Thor. Paved, All-weather, Other Thoroughfares Solid, dashed, cased none R-228A  
  Kansas              
1923 KS23 Midget Map Showing Pr. Cities State Hwys. Paved Roads Road Dist. Paved, Highly Improved, Other Thoroughfares Thick, medium,thin none    
1924 KS24a Midget Map Showing Pr. Cities State Hwys. Paved Roads Road Dist. Highly Improved, Other Thoroughfares Thick, thin none    
1925 KS25 Mileage Map Showing Paved Roads Road Distances Paved, Through Routes, Other Thoroughfares Dashed, solid, cased H    
1926 KS26 Mileage Map Showing Paved Roads Road Distances Paved, Macadam & Gravel, Unsurfaced Main, Other 4 styles 4    
1927 KS27 Mileage Map Showing Paved Roads Road Distances US Hwys. St. Hwys. Paved, Gravel or Macadam, Graded Earth, Other Th. 4 styles 4    
1928 KS28 Clason's Road Map Showing Paved Roads, All Weather Roads and Other Thor. Paved, All-weather, Other Thoroughfares Solid, dashed, cased none R-212A  
  Kentucky              
1923 KY23 Midget Map Paved Roads Road Distances Principal Cities Paved, Highly Improved, Other Thoroughfares Thick, medium thin none    
1924 KY24a Midget Map Paved Roads Road Distances Principal Cities Paved & Hard Surfaced, Improved, Other Th. Thick, medium, thin none    
1924 KY24b Midget Mileage Map Paved Roads Road Distances Principal Cities Paved & Hard Surfaced, Improved, Other Th. Thick, medium, thin none   Eastern insert map added
1925 KY25 Mileage Map Paved Roads Road Distances Principal Cities Paved & Hard Surfaced, Improved, Other Th. Thick, medium, thin none    
1926 KY26 Mileage Map Showing Paved Roads Road Distances Paved, Graveled, Other Thoroughfares Solid, dashed, cased none    
1927 KY27 Mileage Map Showing Paved Roads Road Distances St. Hwys. US Hwys. Paved, Gravel or Macadam, Graded Earth, Other Th. 4 styles none    
1928 KY28 Mileage Map Showing Paved Roads Road Distances St. Hwys. US Hwys. Paved, All-weather, Graded Earth, Other Thorough. 4 styles none R-250A  
1929 KY-TN29 Clason's Road Map Showing Paved Roads, All Weather Roads and Other Thor. Paved, All-weather, Other Thoroughfares Solid, dashed, cased none R-251A  
  Louisiana              
1923 LA23 Midget Map Showing Principle Cities Paved Roads Road Distances Paved & Hard Surfaced, Highly Improved, Other Th. Thick, medium thin none    
1924 LA24a Midget Map Showing Principal Cities Paved Roads St. Hwys. Road Dist. Paved & Hard Surfaced, Highly Improved, Other Th. Thick, medium, thin none    
1925 LA25 Mileage Map Showing State Highways Road Distances Best Roads & State Highways, Other Thoroughf. Solid, cased none    
1927 LA27 Mileage Map Showing State Highways Road Distances Paved, Gravel-Macadam, Other Thoroughfares Solid, dashed, cased none    
1928 LA28 Clason's Road Map Showing Paved Roads, All Weather Roads and Other Thor. Paved, All-weather, Other Thoroughfares Solid, dashed, cased none R-242A  
1929 LA29 Clason's Road Map Showing Paved Roads, All Weather Roads and Other Thor. Paved, All-weather, Other Thoroughfares Solid, dashed, cased none R-243A  
  Massachusetts              
1923 MA-CT-RI 23 Midget Map Showing Principal Cities Road Distances Paved Roads Paved, Highly Improved, Other Thoroughfares Thick, medium thin none    
1924 MA-CT-RI24a Midget Mileage Map Showing Principal Cities Road Distances Paved Roads Paved, Highly Improved, Other Thoroughfares Thick, medium, thin none    
1925 MA-CT-RI25 Mileage Map Showing State Highways Road Distances Paved & Hard Surfaced, Other Thoroughfares Solid, cased none    
1926 MA-CT-RI26 Mileage Map Showing State Highways Road Distances Paved & Hard Surfaced, Macadam & Gravel, Other Solid, dashed, cased 2    
1927 MA-CT-RI27 Mileage Map Showing State Highways Road Distances Main Paved, Secondary Paved or Gravel, Other Th. Solid, dashed, cased 2    
1928 MA-CT-RI28 Clason's Road Map Showing Paved Roads, All Weather Roads and Other Thor. Paved, All-weather, Other Thoroughfares Solid, dashed, cased none R-218A  
  Maryland              
1923 MD-DE 23 Midget Map Principle Cities,Paved Roads Road Distances Paved, Highly Improved, Other Thoroughfares Thick, medium, thin none    
1924 MD-DE24a Midget Map Principal Cities Paved Roads Road Distances Paved, Highly Improved, Other Thoroughfares Thick, medium, thin none    
1925 MD-DE25 Mileage Map Showing Road Distances Principal Highways Best (Paved, hard surf. or imp.), Other (Dirt or unim) Solid, cased text    
1926 MD-DE26 Mileage Map Showing Road Distances Principal Highways Paved, Macadam & Gravel, Other (Dirt or unimpr.) Solid, dashed, cased text    
1927 MD-DE27 Mileage Map Showing Paved Roads Road Distances St. Hwys. US Hwys. Paved, Gravel or Macadam, Other Thoroughfares Solid, dashed, cased text    
1928 MD-DE28 Mileage Map Showing Paved Roads Road Distances St. Hwys. US Hwys. Paved, All Weather, Other Thoroughfares Solid, dashed, cased text R-246A  
1929 DEMDVAWV29 Clason's Road Map Showing Paved Roads, All Weather Roads and Other Thor. Paved, All-weather, Other Thoroughfares Solid, dashed, cased none R-274A  
  Maine              
1923 ME23 Midget Map Showing Paved Roads Road Distances Paved, Highly Improved, Other Thoroughfares Thick, medium, thin none    
1924 ME24a Midget Map Showing Paved Roads Road Distances Paved, Highly Improved, Other Thoroughfares Thick, medium, thin none    
1924 ME24b Midget Mileage Map Showing Paved Roads Road Distances Paved & Hard Surfaced, Other Thoroughfares Thick, thin none    
1925 ME25 Mileage Map Showing Paved Roads Road Distances Concrete, Through Routes, Other Thoroughfares Dashed, solid, cased 236    
1927 ME27 Mileage Map Showing Paved Roads Road Distances St. Hwys. US Hwys. Paved, Gravel or Macadam, Other Thoroughfares Solid, dashed, cased 236    
1928 ME28 Clason's Road Map Showing Paved Roads, All Weather Roads and Other Thor. Paved, All-weather, Other Thoroughfares Solid, dashed, cased none R-216A  
1931 ME31 Clason's Road Map Showing Paved Roads, All Weather Roads and Other Thor. Paved or Oiled, All-weather, Other Thoroughfares Solid, dashed, cased none R-216A  
  Michigan              
1923 MI 23 Midget Map Showing Principle Cities Paved Roads Road Distances Paved, Highly Improved, Other Thoroughfares Thick, medium, thin 10    
1924 MI24a Midget Mileage Map Showing Principal Cities Paved Roads Road Distances Paved & Hard Surfaced, Other Thoroughfares Thick, thin 10    
1924 MI24b Midget Mileage Map Showing Paved Roads Road Distances State Highways Paved & Surfaced, Other Thoroughfares Solid, cased 17    
1925 MI25 Mileage Map Showing State Highways Road Distances Paved & Surfaced, Other Thoroughfares Solid, cased 17    
1926 MI26 Mileage Map Showing State Highways Road Distances Paved, Main Graveled, Other Graveled and Earth Solid, dashed, cased 17    
1927 MI27 Mileage Map Showing Paved Roads Road Distances St. Hwys. US Hwys. Paved, Gravel or Macadam, Other Thoroughfares Solid, dashed, cased 17    
1928 MI28 Clason's Road Map Showing Paved Roads, All Weather Roads and Other Thor. Paved, All-weather, Other Thoroughfares Solid, dashed, cased none R-232A  
1929 MI29 Clason's Road Map Showing Paved Roads, All Weather Roads and Other Thor. Paved, All-weather, Other Thoroughfares Solid,dashed, cased none R-232A Auto Ferries added to legend
  Minnesota             Back To Top
1923 MN23 Midget Map Showing Road Distances Paved Roads Principal Cities Paved, Highly Improved, Other Thoroughfares Thick, medium, thin 15    
1924 MN24a Midget Map Showing Road Distances Paved Roads Principal Cities Paved, Highly Improved, Other Thoroughfares Thick, medium, thin 15    
1924 MN24b Midget Mileage Map Showing Paved Roads Road Distances State Highways Paved & Hard Surfaced, Other Thoroughfares Solid, cased 10    
1925 MN25 Mileage Map Showing Paved Roads Road Distances State Highways Paved & Hard Surfaced, Other Thoroughfares Solid, cased 10    
1926 MN26 Mileage Map Showing Paved Roads Road Distances State Highways Paved, Graveled, Other Thoroughfares Dashed, solid, cased 10    
1927 MN27 Mileage Map Showing Paved Roads Road Distances State Highways Paved, Gravel or Macadam, Other Thoroughfares Solid, dashed, cased 10    
1928 MN28 Clason's Road Map Showing Paved Roads, All Weather Roads and Other Thor. Paved, All-weather, Other Thoroughfares Solid, dashed, cased none R-220AA  
1929 MN29 Clason's Road Map Showing Paved Roads, All Weather Roads and Other Thor. Paved, All-weather, Other Thoroughfares Solid, dashed, cased none R-220A No changes from 28 exc. Map No.
1931 MN31 Clason's Road Map Showing Paved Roads, All Weather Roads and Other Thor. Paved or Oiled, All-weather, Other Thoroughfares Solid, dashed, cased none R-220A  
  Missouri              
1923 MO23 Midget Map Showing Principal Cities Road Distances Paved Roads Paved, Highly Improved, Other Thoroughfares Thick, medium, thin none    
1924 MO24a Midget Map Showing Principal Cities Road Distances Paved Roads Paved, Highly Improved, Other Thoroughfares Thick, medium, thin none   Paved line missing
1925 MO25 Mileage Map Showing State Highways Road Distances Paved, Through Routes, Other Thoroughfares Dashed, solid, cased 2    
1926 MO26 Mileage Map Showing State Highways Road Distances Paved, Macadam & Gravel, Graded Earth, Other Th. 4 styles 2    
1927 MO27 Mileage Map Showing Paved Roads Road Distances St. Hwys. US Hwys. Paved, Gravel or Macadam, Graded Earth, Other Th. 4 styles 2    
1928 MO28 Clason's Road Map Showing Paved Roads, All Weather Roads and Other Thor. Paved, All-weather, Other Thoroughfares Solid, dashed, cased none R-214A  
  Mississippi              
1923 MS23 Midget Map Showing Princpal Cities Paved Roads Road Dist. St. Hwys. Paved, Highly Improved, Other Thoroughfares Thick, medium, thin none    
1924 MS24a Midget Map Showing Principal Cities Paved Roads Road Dist. St. Hwys. Paved, Highly Improved, Other Thoroughfares Thick, medium, thin none    
1925 MS25 Mileage Map Showing State Highways Road Distances Through Roads, Paved Roads, Other Thoroughfares Thick, dashed, thin none    
1927 MS27 Mileage Map Showing State Highways Road Distances Paved, Gravel or Macadam, Graded Earth, Other Th. 4 styles none    
1928 MS28 Clason's Road Map Showing Paved Roads, All Weather Roads and Other Thor. Paved, All Weather, Graded Earth, Other Thorough. 4 styles none R-268A  
  Montana              
1923 MT23 Midget Map Showing Paved Roads Road Distances Paved, Highly Improved, Other Thoroughfares Thick, medium, cased none    
1924 MT24a Mileage Map Midget Map Showing Paved Roads Road Distances Paved, Highly Improved, Other Thoroughfares Thick, medium, cased none    
1925 MT25 Mileage Map Showing Paved Roads Road Distances Paved, Through Routes, Other Thoroughfares Dashed, solid, cased none    
1926 MT26 Mileage Map Showing Paved Roads Road Distances Paved, Graveled, Graded Earth, Other Thoroughf. 4 styles none    
1927 MT27 Mileage Map Showing Paved Roads Road Distances US Hwys. St. Hwys. Paved, Graveled, Graded Earth, Other Thoroughf. 4 styles none    
1928 MT28 Clason's Road Map Showing Paved Roads, All Weather Roads and Other Thor. Paved, All-weather, Other Thoroughfares Solid, dashed, cased none R-264A  
1931 MT31 Clason's Road Map Showing Paved Roads, All Weather Roads and Other Thor. Paved or Oiled, All-weather, Other Thoroughfares Solid, dashed, cased none R-264A  
  North Carolina              
1923 NC23 Midget Map Showing Paved Roads Road Distances Principal Cities Paved, Highly Improved, Other Thoroughfares Thick, medium, thin 27    
1924 NC24a Midget Map Showing Paved Roads Road Distances Principal Cities Paved, Highly Improved, Other Thoroughfares Thick, medium, thin 27    
1924 NC24b Midget Mileage Map Showing Paved Roads Road Distances Principal Cities Paved, Highly Improved, Other Thoroughfares Thick, medium, thin 27    
1925 NC25 Mileage Map Showing Road Distances State Highways Best (Paved, hard surf. or imp.), Other (Dirt or unim) Solid, cased 27    
1926 NC26 Midget Mileage Map Showing Road Distances State Highways Hard Surfaced, Graveled, Graded Earth, Other Th. 4 styles 27    
1927 NC27 Mileage Map Showing Paved Roads Road Distances St. Hwys. US Hwys. Paved, Oil Tr., Grav. & Sand Clay, Gr. Earth, Other 4 styles 27    
1928 NC28 Clason's Road Map Showing Paved Roads Road Distances St. Hwys. US Hwys. Paved, All-weather, Graded Earth, Other Thorough. 4 styles 27 R-276A  
1929 NC-SC29 Clason's Road Map Showing Paved Roads, All Weather Roads and Other Thor. Paved, All-weather, Other Thoroughfares Solid, dashed, cased none R-277A  
  North Dakota              
1923 ND23 Midget Map Showing Principal Highways Road Distances Highly Improved, Other Thoroughfares Solid, cased none    
  ND24a Midget Mileage Map Showing Principal Highways Road Distances Highly Improved, Other Thoroughfares Solid, cased none    
1924 ND24b Midget Map Showing Principal Highways Road Distances Highly Improved, Other Thoroughfares Solid, cased none    
1925 ND25 Mileage Map Showing Principal Highways Road Distances Through Routes, Other Thoroughfares Solid, cased none    
1927 ND27 Mileage Map Showing Main Roads Road Distances St. Hwys. US Hwys. Paved, Gravel or Macadam, Graded Earth, Other Th. 4 styles 24    
1928 ND28 Clason's Road Map Showing Main Roads Road Distances St. Hwys. US Hwys. Paved, All Weather, Graded Earth, Other Thorough. 4 styles 24 R-282A  
1929 ND29 Clason's Road Map Showing Paved Roads, All Weather Roads and Other Thor. Paved, All-weather, Other Thoroughfares Solid, dashed, cased none R-283A  
  Nebraska              
1923 NE23 Midget Map Showing Principal Cities Paved Roads Road Distances Paved, Highly Improved, Other Thoroughfares Thick, medium, thin 15    
1924 NE24a Midget Map Showing Principal Cities Paved Roads Road Distances Paved, Highly Improved, Other Thoroughfares Thick, medium, thin 15    
1925 NE25 Mileage Map Showing State Highways Improved Roads Road Dist. Best, Other Thoroughfares Solid, cased 10    
1926 NE26 Mileage Map Showing State Highways Road Distances Paved, Graveled, Dirt, Connecting 4 styles 22    
1927 NE27 Mileage Map Showing Paved Roads Road Distances St. Hwys. US Hwys. Paved, Gravel or Macadam, Graded Earth, Other Th. 4 styles 22    
1928 NE28 Clason's Road Map Showing Paved Roads, All Weather Roads and Other Thor. Paved, All-weather, Other Thoroughfares Solid, dashed, cased none R-224A  
  New Hampshire              
1923 NH_VT23 Midget Map Principal Cities Road Distances Paved Roads Paved, Highly Improved, Other Thoroughfares Thick, medium,thin none    
1924 NH-VT24a Midget Map Principal Cities Road Distances Paved Roads Paved, Highly Improved, Other Thoroughfares Thick, medium, thin none    
1924 NH-VT24b Midget Mileage Map Principal Cities Road Distances Paved Roads Paved, Highly Improved, Other Thoroughfares Thick, medium, thin none    
1925 NH-VT25 Mileage Map Principal Cities Road Distances Paved Roads Paved, Highly Improved, Other Thoroughfares Thick, medium, thin none    
1927 NH-VT27 Mileage Map Showing Road Distances Paved Roads Paved, Gravel or Macadam, Other Thoroughfares Solid, dashed, cased 11    
1928 NH-VT28 Clason's Road Map Showing Road Distances Paved Roads Paved, All-weather, Other Thoroughfares Solid, dashed, cased 11 R-260A  
1929 NEWENG29 Clason's Road Map Showing Paved Roads, All Weather Roads and Other Thor. Paved, All-weather, Other Thoroughfares Solid, dashed, cased none R-120A  
  New Jersey              
1923 NJ-Eastern PA23 Midget Map Paved Roads Road Distances Principal Cities Paved, Highly Improved, Other Thoroughfares Thick, medium, thin none    
1924 NJ-Eastern PA24a Midget Map Paved Roads Road Distances Principal Cities Paved, Highly Improved, Other Thoroughfares Thick, medium, thin none    
1924 NJ-Eastern PA24b Midget Mileage Map Showing Paved Roads Road Distances State Highways Paved & Hard Surfaced, Other Thoroughfares Solid, cased none    
1925 NJ-Eastern PA25 Mileage Map Showing Paved Roads Road Distances State Highways Paved & Hard Surfaced, Other Thoroughfares Solid, cased none    
1926 NJ-Eastern PA26 Mileage Map Showing Paved Roads Road Distances State Highways Concrete, Hard Surfaced, Improved, Other 4 styles 14    
1927 NJ-Eastern PA27 Mileage Map Showing Paved Roads Road Distances State Highways Main Paved, Secondary Paved, Gravel or Mac., Oth. 4 styles 14    
1928 NJ-Eastern PA28 None Showing Paved Roads Road Distances State Highways Paved, Secondary Paved, All-weather, Other Thoro. 4 styles 14 R-252A  
1929 NJ-29 Clason's Road Map Showing Paved Roads, All Weather Roads and Other Thor. Paved, All-weather, Other Thoroughfares Solid, dashed, cased none R-253A  
  New Mexico              
1923 NM23 Midget Map Showing Principal Highways Road Distances Highly Improved, Other Thoroughfares Solid, cased none    
1924 NM24a Midget Map Showing Principal Highways Road Distances Highly Improved, Other Thoroughfares Solid, cased none    
1924 NM24b Midget Mileage Map Showing Principal Highways Road Distances Highly Improved, Other Thoroughfares Solid, cased none    
1925 NM25 Mileage Map Showing Principal Highways Road Distances Paved, Through Routes, Other Thoroughfares Dashed, solid, cased none    
1927 NM27 Mileage Map Showing Principal Highways Road Dist. St. Hwys. US Hwys. Paved, Gravel or Macadam, Graded Earth, Other Th. 4 styles 1    
1928 NM28 Clason's Road Map Showing Paved Roads, All Weather Roads and Other Thor. Paved, All-weather, Graded Earth, Other Thorough. 4 styles none R-258AA  
  New York             Back To Top
1923 NY23 Midget Map Showing Principal Cities Road Distances State Highways Paved, Highly Improved, Other Thoroughfares Thick, medium,thin none    
1924 NY24a Midget Map Showing Paved Roads Road Distances Paved, Other Thorougfares Solid, cased none    
1925 NY25 Mileage Map Showing Paved Roads Road Distances Paved, Other Thorougfares Solid, cased none    
1926 NY26 Mileage Map Showing Paved Roads Road Distances Main Hard Sur., Secondary Hard Sur., Grav., Other 4 styles 7    
1927 NY27 Mileage Map Showing Paved Roads Road Distances St. Hwys. US Hwys. Main Paved, Secondary Paved, Gravel or Mac., Oth. 4 styles 12    
1928 NY28 Clason's Road Map Showing Paved Roads, All Weather Roads and Other Thor. Paved, All-weather, Other Thoroughfares Solid, dashed, cased none R-222A  
  Ohio              
1923 OH23 Midget Map Showing Principal Cities Road Distances, Paved Roads, St. Highways Paved, Highly Improved, Other Thoroughfares Thick, medium, thin 45    
1924 OH24a Midget Mileage Map Showing Paved Roads Road Distances Paved & Hard Surfaced, Other Thoroughfares Solid, cased 37    
1925 OH25 Mileage Map Showing State Highways Road Distances Paved & Hard Surfaced, Other Thoroughfares Solid, cased 37    
1926 OH26 Mileage Map Showing State Highways Road Distances Paved, Graveled, Other Thoroughfares Solid, dashed, cased 125    
1927 OH27 Mileage Map Showing Paved Roads Road Distances St. Hwys. US Hwys. Paved, Gravel or Macadam, Other Thoroughfares Solid, dashed, cased 11    
1928 OH28 Clason's Road Map Showing Paved Roads, All Weather Roads and Other Thor. Paved, All-weather, Other Thoroughfares Solid, dashed, cased none R-200A  
  Oklahoma              
1923 OK23 Midget Map Showing Principal Cities State Hwys. Road Distances Highly Improved, Other Thoroughfares Thick, thin none    
1924 OK24a Midget Map Showing Principal Cities State Hwys. Road Distances Highly Improved, Other Thoroughfares Thick, thin none    
1924 OK24b Midget Mileage Map Showing Principal Cities State Hwys. Road Distances Highly Improved, Other Thoroughfares Thick, thin none    
1925 OK25 Mileage Map Showing Road Distances Paved, Through Routes, Other Thoroughfares Dashed, solid, cased H    
1926 OK26 Mileage Map Showing State Highways Paved Roads Road Distances Paved, Macadam and Gravel, Greaded Earth, Other 4 styles 4    
1927 OK27 Mileage Map Showing St. Hwys. US Hwys. Paved Roads Road Distances Paved, Gravel or Mac., Sand Clay or Graded, Other 4 styles 4    
1928 OK28 Clason's Road Map Showing Paved Roads, All Weather Roads and Other Thor. Paved, All-weather, Other Thoroughfares Solid, dashed, cased none R-204A  
  Ontario              
1926 ON-QC26 Mileage Map none Paved, Through Routes, Other Thoroughfares Dashed, solid, cased none    
1927 ON-QC27 Mileage Map The Clason Map Co. Chicago Paved, Gravel or Macadam, Other Thoroughfares Solid, dashed, cased 2    
1928 ON-QC28 Clason's Road Map Showing Paved Roads, All Weather Roads and Other Thor. Paved, Gravel or Macadam, Other Thoroughfares Solid, dashed, cased 2 R-305A  
  Oregon              
1923 OR23 Midget Map Showing Paved Roads Road Distances Paved, Highly Improved, Other Thoroughfares Thick, medium, cased none    
1924 OR24a Midget Map Showing Paved Roads Road Distances Paved, Highly Improved, Other Thoroughfares Thick, medium, cased none    
1924 OR24b Midget Mileage Map Showing Paved Roads Road Distances Paved, Highly Improved, Other Thoroughfares Thick, medium, cased none    
1925 OR25 Mileage Map Showing State Highways Improved Roads Road Distances Paved, Through Routes, Other Thoroughfares Dashed, solid, cased No. 2    
1926 OR26 Mileage Map Showing State Highways Improved Roads Road Distances Paved, Graveled, Other Thoroughfares Solid, dashed, cased No. 2    
1927 OR27 Mileage Map Showing State Highways Road Distances Paved and Oil Macadam, Gravel, Other Thoroughf. Solid, dashed, cased No. 2    
1928 OR28 Clason's Road Map Showing State Highways Road Distances Paved and Oil Macadam, All-weather, Other Thor. Solid, dashed, cased No. 2 R-278A  
1929 OR29 Clason's Road Map Showing Paved Roads, All Weather Roads and Other Thor. Paved and Oiled Macadam, All-weather, Other Th. Solid, dashed, cased none R-279A  
  Pennsylvania              
1923 PA23 Midget Map Road Distances Principal Cities Paved, Highly Improved, Other Thoroughfares Thick, medium,thin none    
1924 PA24a Midget Map Road Distances Principal Cities Paved, Highly Improved, Other Thoroughfares Thick, medium, thin none    
1924 PA24b Midget Map none Paved & Hard Surfaced, Other Thoroughfares Solid, cased none   Highway Legend instead of Road Legend
1925 PA25 Mileage Map none Paved & Hard Surfaced, Other Thoroughfares Solid, cased none   Highway Legend instead of Road Legend
1926 PA26 Mileage Map none Concrete, Hard Surfaced, Macadam & Gravel, Oth. 4 styles 4    
1927 PA27 Mileage Map Shwing Paved Roads Road Distances St. Hwys. US Hwys. Paved, Gravel or Macadam, Graded Earth, Other 4 styles 4    
1928 PA28 Clason's Road Map Showing Paved Roads, All Weather Roads and Other Thor. Paved, All-weather, Other Thoroughfares Solid, dashed, cased none R-202A  
  South Carolina              
1923 SC23 Midget Map Showing Principal Cities Paved Roads Road Distances Paved, Highly Improved, Other Thoroughfares Thick, medium, thin 12    
1924 SC24a Midget Map Showing Principal Cities Paved Roads Road Distances Paved, Highly Improved, Other Thoroughfares Thick, medium, thin 12    
1924 SC24b Midget Mileage Map Showing Principal Cities Paved Roads Road Distances Paved, Highly Improved, Other Thoroughfares Thick, medium, thin 12    
1925 SC25 Mileage Map Showing State Highways Road Distances Best, Other Thoroughfares Thick, thin 12    
1926 SC26 Mileage Map Showing State Highways Road Distances Hard Surfaced, Graveled, Other Thoroughfares Thick, dashed, thin 12    
1927 SC27 Mileage Map Showing State Highways Road Distances Paved, Gravel or Sand Clay, Other Th., Other Rds. 4 styles 12    
1928 SC28 Clason's Road Map Showing State Highways Road Distances Paved, All Weather, Other Thorogufares, Other Rds. 4 styles 12 R-266A  
  South Dakota              
1923 SD23 Midget Map Showing Principal Highways Road Distances Highly Improved, Other Thoroughfares Solid,cased 50    
1924 SD24a Midget Map Showing Principal Highways Road Distances Highly Improved, Other Thoroughfares Solid, cased 50    
1925 SD25 Mileage Map Showing Principal Highways Road Distances Through Routes, Other Thoroughfares Solid, cased 50    
1926 SD26 Mileage Map Showing State Highways Road Distances Paved, Graveled, Graded Earth, Connecting 4 styles 30    
1927 SD27 Mileage Map Showing State Highways Road Distances Paved, Gravel or Macadam, Graded Earth, Other Th. 4 styles 30   Still shows named trail markers
1928 SD28 Clason's Road Map Showing Paved Roads, All Weather Roads and Other Thor. Paved, All-weather, Graded Earth, Other Thorough. 4 styles none R-270A Still shows named trail markers
1929 SD29 Clason's Road Map Showing Paved Roads, All Weather Roads and Other Thor. Paved, All-weather, Other Thoroughfares Solid, dashed, cased none R-271A  
  Tennessee              
1923 TN23 Midget Map Principal Cities Paved Roads Road Distances Paved, Highly Improved, Other Thoroughfares Thick, medium, thin none    
1924 TN24a Midget Mileage Map Principal Cities Paved Roads Road Distances Paved, Highly Improved, Other Thoroughfares Thick, medium, thin none    
1925 TN25 Mileage Map Showing State Highways Road Distances Paved, Through Routes, Other Thoroughfares Dashed, solid, cased 1    
1927 TN27 Mileage Map Showing Paved Roads Road Distances St. Hwys. US Hwys. Paved, Gravel or Macadam, Graded Earth, Other Th. 4 styles 1    
1928 TN28 Clason's Road Map Showing Paved Roads Road Distances St. Hwys. US Hwys. Paved, All-weather, Graded Earth, Other Thorough. 4 styles 1 R-280A  
  Texas              
1923 TX23 Midget Map Showing Principal Cities Pole Markings Road Distances Paved&Hard Surfaced, Highly Improved, Other Thoroughfares Thick, medium,thin none    
1924 TX24a Midget Map Showing Principal Cities Pole Markings Road Distances Paved & Hard Surfaced, Highly Improved, Other Th. Thick, medium, thin none    
1925 TX25 Mileage Map Showing Paved Roads Road Distances Paved, Through Routes, Other Thoroughfares Dashed, solid, cased 29    
1926 TX26 Mileage Map Showing Paved Roads Road Distances Paved, Graveled, Graded Earth, Connecting 4 styles 29    
1927 TX27 Mileage Map Showing Paved Roads Road Distances St. Hwys. US Hwys. Paved, Gravel or Macadam, Graded Earth, Other Th. 4 styles 29    
1928 TX28 Clason's Road Map Showing Paved Roads, All Weather Roads and Other Thor. Paved, All-weather, Other Thoroughfares Solid, dashed, cased none R-206A  
  United States              
1923 US23 Midget Map Showing Best Roads Road Distances Principal Cities Paved & Hard Surfaced, Other Thoroughfares Solid, cased none    
1924 US24a Mileage Map none Paved & Hard Surfaced, Other Thoroughfares Solid, cased none    
1925 US25 Mileage Map Showing Best Roads Road Distances Principal Cities Paved & Hard Surfaced, Other Thoroughfares Solid, cased none   Much more detailed than previous
1926 US26 Mileage Map Showing Best Roads Road Distances Principal Cities Main Traveled Roads, Other Thoroughfares Solid, cased none    
1927 US27 Map of Official US Hwys. none Paved, Graded or Gravel Surfaced Solid, cased IN US40    
1929 US29 Paving & Road Distances Showing Principal Through Routes Paved, Graded or Gravel Surfaced Solid, cased none R-106A  
  Utah             Back To Top
1923 UT23 Midget Map Showing Paved Roads Road Distances Paved, Highly Improved, Other Thoroughfares Thick, medium, cased none    
1924 UT24a Midget Map Showing Paved Roads Road Distances Paved, Highly Improved, Other Thoroughfares Thick, medium, cased none    
1924 UT24b Midget Mileage Map Showing Paved Roads Road Distances Paved, Highly Improved, Other Thoroughfares Thick, medium, cased none    
1925 UT25 Mileage Map Showing State Highways Road Distances Paved, Through Routes, Other Thoroughfares Dashed, solid, cased none    
1926 UT26 Mileage Map Showing State Highways Road Distances Paved, Graveled, Graded Earth, Other Thoroughf. 4 styles none    
1927 UT27 Mileage Map Showing Paved Roads Road Distances St. Hwys. US Hwys. Paved, Gravel or Macadam, Graded Earth, Other Th. 4 styles none    
1928 UT28 Clason's Road Map Showing Paved Roads Road Distances St. Hwys. US Hwys. Paved, All Weather, Graded Earth, Other Thorough. 4 styles none R-272A  
1929 UT29 Clason's Road Map Showing Paved Roads, All Weather Roads and Other Thor. Paved, All-weather, Other Thoroughfares Solid, dashed, cased none R-273A  
  Virginia              
1923 VA23 Midget Map Paved Roads Road Distances Principal Cities Paved, Highly Improved, Other Thoroughfares Thick, medium, thin      
1924 VA24a Midget Mileage Map Paved Roads Road Distances Principal Cities Paved, Highly Improved, Other Thoroughfares Thick, medium, thin none    
1925 VA25 Mileage Map Showing State Highways Road Distances Best Roads, Other Thoroughfares Thick, thin none    
1926 VA26 Mileage Map Showing State Highways Road Distances Paved, Macadam, Graveled or Sand Clay, Other Th. 4 styles 11A    
1927 VA27 Mileage Map Showing State Highways Road Distances Paved, Gravel Sand Clay or Mac., Gr. Earth, Other 4 styles 33    
1928 VA-WV28 Clason's Road Map Showing Paved Roads, All Weather Roads and Other Thor. Paved, All-weather, Other Thoroughfares Solid, dashed, cased none R-274AA  
  Washington              
1923 WA23 Midget Map Showing Principa Cities Paved Roads Road Distances Paved, Highly Improved, Other Thoroughfares Thick, medium, cased none    
1924 WA24a Midget Map Showing Principal Cities Paved Roads Road Distances Paved, Highly Improved, Other Thoroughfares Thick, medium, cased none    
1924 WA24b Midget Mileage Map Showing Principal Cities Paved Roads Road Distances Paved, Highly Improved, Other Thoroughfares Thick, medium, cased none    
1925 WA25 Mileage Map Showing Paved Roads Road Distances State Highways Paved, Through Routes, Other Thoroughfares Dashed, solid, cased text    
1926 WA26 Mileage Map Showing Paved Roads Road Distances State Highways Paved, Graveled, Other Thoroughfares Dashed, solid, cased text    
1927 WA27 Mileage Map Showing Paved Roads Road Distances St. Hwys. US Hwys. Paved, Gravel or Macadam, Other Thoroughfares Solid, dashed, cased text    
1928 WA28 Clason's Road Map Showing Paved Roads, All Weather Roads and Other Thor. Paved, All-weather, Other Thoroughfares Solid, dashed, cased none R-262A  
1930 WA30 Clason's Road Map Showing Paved Roads, All Weather Roads and Other Thor. Paved and Oiled Macadam, All-weather, Other Th. Solid, dashed, cased none R-262A  
  Wisconsin              
1923 WI23 Midget Map Showing Road Distances Principal Cities State Highways Paved, Highly Improved, Other Thoroughfares Thick, medium, thin 92    
1924 WI24a Mileage Map Showing Paved Roads Road Distances Paved & Hard Surfaced, Other Thoroughfares Solid, cased 34   Double-page map
1924 WI24b Midget Mileage Map Showing Paved Roads Road Distances Paved & Hard Surfaced, Other Thoroughfares Solid, cased 34    
1925 WI25 Mileage Map Showing Paved Roads Road Distances Paved & Surfaced, Other Thoroughfares Solid, cased 25    
1926 WI26 Mileage Map Showing Paved Roads Road Distances Paved, Graveled and All-weather, Other Thoroughf. Dashed, solid, cased 25    
1927 WI27 Mileage Map Showing Paved Roads Road Distances St. Hwys. US Hwys. Paved, Gravel or Macadam, Other Thoroughfares Solid, dashed, cased 25    
1928 WI28 Clason's Road Map Shwing Paved Roads Road Distances St. Hwys. US Hwys. Paved, All-weather, Other Thoroughfares Solid, dashed, cased none R-226A  
1929 WI29 Clason's Road Map Shwing Paved Roads Road Distances St. Hwys. US Hwys. Paved, All-weather, Other Thoroughfares Solid, dashed, cased none R-226A Auto Ferries added to legend
  West Virginia              
1923 WV23 Midget Map Showing Prinicpal Cities Paved Roads Road Distances Paved, Highly Improved, Other Thoroughfares Thick, medium, thin none    
1924 WV24a Midget Map Showing Principal Cities Paved Roads Road Distances Paved, Highly Improved, Other Thoroughfares Thick, medium, thin none    
1924 WV24b Midget Mileage Map Showing Principal Cities Paved Roads Road Distances Paved, Highly Improved, Other Thoroughfares Thick, medium, thin none    
1925 WV25 Mileage Map Showing State Highways Road Distances Best Roads, Other Thoroughfares Solid, cased 4    
1926 WV26 Mileage Map Showing State Highways Road Distances Hard Surfaced, Graded, Other Thoroughfares Solid, dashed, cased 4    
1927 WV27 Mileage Map Showing Paved Roads Road Distances St. Hwys. US Hwys. Paved, All-weather, Other Thoroughfares Solid, dashed, cased 4    
  Wyoming              
1923 WY23 Midget Map Showing State Highways Road Distances Highly Improved, Other Thoroughfares Solid, cased none    
1924 WY24a Midget Map Showing State Highways Road Distances Highly Improved, Other Thoroughfares Solid, cased none    
1924 WY24b Midget Mileage Map Showing State Highways Road Distances Highly Improved, Other Thoroughfares Solid, cased none    
1925 WY25 Mileage Map Showing Road Distances Paved Roads Paved, Through Routes, Other Thoroughfares Dashed, solid, cased 11    
1926 WY26 Mileage Map Showing Road Distances Paved Roads Paved, Graveled, Graded Earth, Connecting 4 styles 11    
1927 WY27 Mileage Map Showing Road Distances Paved Roads St. Hwys. US Hwys. Paved, Gravel or Macadam, Graded Earth, Other Th. 4 styles 70    
1928 WY28 Clason's Road Map Showing Road Distances Paved Roads St. Hwys. US Hwys. Paved, All-weather, Graded Earth, Other Thorough. 4 styles 70 R-236A  
1929 WY29 Clason's Road Map Showing Paved Roads, All Weather Roads and Other Thor. Paved, All-weather, Other Thoroughfares Solid, dashed, cased none R-237A  
1930 WY30 Clason's Road Map Showing Paved Roads, All Weather Roads and Other Thor. Paved & Oiled, All-weather, Other Thoroughfares Solid, dashed, cased none R-237A  

*State abbreviation and number code is an inventory system employed by the author

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