You searched for: Subject Economy Remove constraint Subject: Economy Place New Jersey Remove constraint Place: New Jersey Place Delaware Remove constraint Place: Delaware Place Pennsylvania Remove constraint Place: Pennsylvania Format Shapefile Remove constraint Format: Shapefile 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.