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 Subject Minerals Remove constraint Subject: Minerals Subject Geoscientific Information Remove constraint Subject: Geoscientific Information Subject Aggregates (Building materials) Remove constraint Subject: Aggregates (Building materials) Place Colorado Remove constraint Place: Colorado Place Arkansas Remove constraint Place: Arkansas Data type Point Remove constraint Data type: Point
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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.

2. Crushed Stone Operations in the United States, 2002

2001. Geological Survey (U.S.) Minerals Information Team. This point shapefile represents locations of crushed stone operations in the United States. These data were obtained from information reported volu... National Atlas of the United States.