Search

Start Over Collection U.S. Geological Survey digital data series Publisher U.S. Geological Survey Bounding Box -40.000931 39.999015 -39.999064 40.000987

1. 2000 county boundaries of the United States

Datasets Harvard University Public content
1972. Geological Survey (U.S.). This map layer portrays the 2000 state and county boundaries of the United States, Puerto Rico, and the U.S. Virgin Islands. The map layer was crea... U.S. Geological Survey.

2. Global GIS : MAS/MILS mineral location database information

Datasets Harvard University Public content
1998. Causey, J. Douglas. and Geological Survey (U.S.). This datalayer is a point coverage representing mine and mineral resource occurrence data worldwide (most thoroughly within the U.S.) and was publi... U.S. Geological Survey.