GeoData @ UCB

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You searched for: Author Geological Survey (U.S.) Minerals Information Team Remove constraint Author: Geological Survey (U.S.) Minerals Information Team Institution Stanford Remove constraint Institution: Stanford Data type Point Remove constraint Data type: Point Year 2002 Remove constraint Year: 2002
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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.