Yampa coal field combined leased areas and mined-out areas, Colorado Plateau (yam*leasg)

These are shapefiles and coverages that represent areas of combined State and Federal coal leases and mined-out areas in the Yampa coal field. Yamaleasg contains...本数据集包含用于表征扬帕煤田（Yampa coal field）内州级与联邦级联合煤炭租赁区块及采空区范围的形状文件（Shapefile）与覆盖图层（Coverage）。Yamaleasg包含……