You searched for: Access Public Remove constraint Access: Public Subject Geoscientific Information Remove constraint Subject: Geoscientific Information Subject Minerals Remove constraint Subject: Minerals Place New Jersey Remove constraint Place: New Jersey Place Maine Remove constraint Place: Maine Place Pennsylvania Remove constraint Place: Pennsylvania 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.