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).
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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).
1926. United States. Bureau of Public Roads. Shows Federal Aid Highway System, portions of System improved and under construction, national parks, monuments, and military reservations.; "Publi... U.S. Geological Survey (Washington, D.C).
1928. 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 correc... Dept. of Agriculture, Bureau of Public Roads (Washington, D.C).
1929. United States. Bureau of Public Roads. Index on verso of each sheet.; Shows various types of federal roads, national forests, parks, monuments and military reservations. Pavement types s... Bureau of Public Roads (Washington, D.C).
1929. United States. Bureau of Public Roads. Index on verso of each sheet.; Shows various types of federal roads, national forests, parks, monuments and military reservations. Pavement types s... Bureau of Public Roads (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).
1926. United States. Bureau of Public Roads. Shows Federal Aid Highway System, portions of System improved and under construction and national parks.; "Data corrected to Dec. 31, 1926." sheets... U.S. Geological Survey (Washington, D.C).