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).
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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.; "Published in accordance with Act of Congress approved Nov. 9, 1921, creating the Federal Aid High... 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, other U.S. Highways, and military reservations.; "Published i... 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).