You searched for: Publisher National Atlas of the United States Remove constraint Publisher: National Atlas of the United States Subject Minerals Remove constraint Subject: Minerals Subject Sand and gravel mines and mining Remove constraint Subject: Sand and gravel mines and mining Institution Stanford Remove constraint Institution: Stanford Place Alabama Remove constraint Place: Alabama Place Delaware Remove constraint Place: Delaware Place Arkansas Remove constraint Place: Arkansas Place Colorado Remove constraint Place: Colorado Data type Point Remove constraint Data type: Point Year 2002 Remove constraint Year: 2002
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.