United States system of numbered highways : adopted for uniform marking by the American Association of state highway officials together with the Federal Aid Highway System approved with the act of November 9, 1921 and subsequent amendments thereto
Washington, D.C. : Bureau of Public Roads : Superintendent. of Documents., U.S. Goverment Printing Office., 1950
Physical Details
1 map on 2 sheets : color ; 147 x 208 cm, sheets 161 x 112 cm
OCLC
ocm13764378
Cartographic Data
Scale [1:2,344,320]. 1 in. = 37 miles
(W 129⁰--W 65⁰/N 51⁰--N 21⁰).
Relief shown by hachures.
"Corrected to January 1, 1950."
"Base map from copper plate base of the General Land office."
"Engraved by R.F. Bartle & Co., Washington, D.C."
Includes Inset maps of Alaska -- American Samoa -- Manua Group -- Guam -- Hawaiian Islands -- Puerto Rico and the Virgin Islands -- Canal Zone -- Isthmus of Panama.