1927. United States. Bureau of Public Roads. Explanation of map at bottom of each sheet.; "Data corrected to Dec. 31, 1927." each 46 x 70 centimeters on sheets 55 x 79 centimeters Scale 1:500,... (Washington, D.C., ).
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1927. United States. Bureau of Public Roads. Shows Federal Aid Highway System, portions of System improved and under construction, U.S. Highways, national forests, and Indian Reservations.; "P... U.S. Geological Survey (Washington, D.C).
1927. United States. Bureau of Public Roads. Shows Federal Aid Highway System, portions of System improved and under construction, national forests, national parks, monuments, military reserva... U.S. Geological Survey (Washington, D.C).
1927. United States. Bureau of Public Roads. Base map from U.S. Geological Survey state map.; "Data corrected to Dec 31, 1927." 46 x 71 centimeters, on sheet 55 x 79 centimeters Scale 1:500,00... U.S. Geological Survey (Washington, D.C).
1927. United States. Bureau of Public Roads. Shows Federal Aid Highway System and portions of System improved and under construction.; "Data corrected to December 31, 1927."; "Base map from U.... U.S. Bureau of Public Roads (Washington, D.C).
1927. United States. Bureau of Public Roads. Shows different types of federal roads and national forests. Pavement types shown by letters.; "Base map from U.S. Geological Survey state map."; "... Dept. of Agriculture, Bureau of Public Roads (Washington, D.C).
1927. United States. Bureau of Public Roads. Shows various types of federal roads, national forests, parks, monuments and military reservations. Pavement types shown by letters.; "Data correct... Bureau of Public Roads (Washington, D.C).
1927. United States. Bureau of Public Roads. Shows Federal Aid Highway System, portions of System improved and under construction, other U.S. Highways, and military reservations.; "Published i... U.S. Geological Survey (Washington, D.C).
1927. United States. Bureau of Public Roads. Sheets numbered 28E, 28C, and 28W.; Base map from U.S. Geological Survey state map.; "Data corrected to Dec. 1, 1927." 71 x 137 centimeters, on she... The Bureau (Washington, D.C).
1927. United States. Bureau of Public Roads. Base map from U.S. Geological Survey State Map.; "Published in accordance with Act of Congress approved Nov. 9, 1921, creating the Federal Aid High... U.S. Geological Survey (Washington, D.C).
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