Author: United States. Bureau of Public Roads / Spatial Coverage: United States - Yale University Library GeoBlacklight Search Results

Start Over Author United States. Bureau of Public Roads Spatial Coverage United States

1. United States system of highways adopted for uniform marking by the American Association of State Highway Officials, November ll, 1926 : Based on the Federal aid highway system as approved by the Secretary of Agriculture

1939. 2010-08-24T13:07:56Z. 2015-10-27T22:25:30Z. United States. Bureau of Public Roads. U.S. Geological Survey. English. Public. United States.

2. 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

1950. 2010-08-10T13:55:54Z. 2015-10-27T22:25:25Z. United States. Bureau of Public Roads. Bureau of Public Roads : For sale by the Supt. of Docs., U.S. G.P.O. English. Public. United States.

GeoBlacklight version 4.1.0