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...本数据集涵盖形状文件（Shapefile）与地理覆盖数据（coverage）两类地理空间数据，用于表征扬帕煤田（Yampa coal field）内州级与联邦联合煤炭租赁区及采空区的空间范围。其中Yamaleasg数据集包含……