USMIN Mineral-Resource Data for the U.S. Geological Survey Sagebrush Mineral-Resource Assessment Project

The point and polygon layers within this geodatabase represent locations of mineral occurrences, mines, mining and mineral districts and sites of active mineral...本地理数据库（geodatabase）中的点要素图层与面要素图层，用于表示矿点（mineral occurrences）、矿山、采矿与矿物产区，以及活跃矿产……相关场地的点位。