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 2001 Remove constraint Year: 2001
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.