GeoData @ UCB

Search Constraints

You searched for: Subject Sand and gravel mines and mining Remove constraint Subject: Sand and gravel mines and mining
Number of results to display per page

Search Results

1. Sand and Gravel Operations in the United States

2002. Geological Survey (U.S.) Minerals Information Team. This point shapefile includes sand and gravel operations in the United States. These data were obtained from information reported voluntarily to th... National Atlas of the United States.