You searched for: Subject Transportation Remove constraint Subject: Transportation Institution Stanford Remove constraint Institution: Stanford Place Washington (D.C.) Remove constraint Place: Washington (D.C.) Data type Line Remove constraint Data type: Line Year 1972 Remove constraint Year: 1972
1972. Geological Survey (U.S.). This line shapefile portrays the major roads in the United States, Puerto Rico, and the U.S. Virgin Islands. The file was produced by joining the i... Geological Survey (U.S.).