1914. National Highways Association. Shows tentative locations for a national highway system.; Includes population chart, lengths for "tentative designation of national highways," and ... National Highways Association (Washington), 1914.
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1915. National Highways Association. Relief shown by shading and contour lines. Includes text describing the population to be served by proposed highways at bottom of sheet. "Novem... National Highways Association; M.B. Brown Ptg. & Bdg. Co. (Washington; New York), 1915.
1914. National Highways Association. Relief shown by shading. Includes information on the population of Connecticut. 29 x 30 centimeters Scale 1:1,000,000 General Map Collection. National Highways Association (Washington, D.C.).
1914. National Highways Association. Includes information on the population of Delaware and other notes. In lower left corner of map: "Copyrighted October, 1914 by ..." "March 1914."... National Highways Association (Washington, D.C.).
1914. National Highways Association. Relief shown by shading. "This map shows tentative locations for part of a National Highways system." 29 x 21 centimeters Scale 1:1,000,000 Genera... National Highways Association (Washington, D.C.), 1913.
1914. National Highways Association. Relief shown by shading.; "This map shows tentative locations for part of a National Highways system."; "Published under direction of General Colem... The Association (Washington, D.C), 1914.
1914. National Highways Association. Relief shown by shading. "This map shows tentative locations for part of a National Highways system." "Published under direction of General Colem... National Highways Association (Washington, D.C.), 1914.
1914. National Highways Association. Includes text. "Copyright 1914 by ..." 28 x 36 centimeters Scale 1:2,500,000 General Map Collection. National Highways Association (Washington, D.C.), 1914.
1914. National Highways Association. Includes information on the population to be served and other notes. "June 1914." "Copyrighted October, 1915 by ..." 30 x 18 centimeters Scale ... National Highways Association (Washington, D.C.), 1915.
1914. National Highways Association. Relief shown by shading. "This map shows tentative locations for part of a National Highways system." "Published under direction of General Colem... National Highways Association (Washington, D.C.), 1914.