Maine transportation map [cartographic material] : Highways, railroads, canals, air lanes, and dredged channels / Original edition compiled and printed by the Geological Survey for the Bureau of Public Roads ; revised editions compiled by the Bureau of Public Roads.
Edition
Rev. ed. - 1940.
Published
[Washington, D.C.] : The Bureau, 1940.
Physical Description
1 map in 6 sections : col. ; each section 58 x 83 cm.
Cartographic Detail
Scale 1:250,000. Approx. 1 inch to 4 miles ; Modified polyconic proj. (W 71°--W 67°/N 47°30ʹ--N 43°).
Notes
Published in accordance with Act of Congress approved November 9, 1921, creating the Federal Aid Highway System; highways corrected to February 1, 1939.