Final unioned file used for coal resource calculations, southern Wasatch Plateau, Central Utah (wsfing)

This is a shapefile and the final unioned polygon coverage used to calculate coal resources of the lower Blackhawk Formation in the southern Wasatch coal assessment...本数据集包含形状文件（shapefile）与最终经联合整合的多边形覆盖区，用于在南瓦萨奇煤炭资源评价中计算下黑鹰组（lower Blackhawk Formation）的煤炭资源量……