Pond Creek Coal Zone Resource Areas (Outcrop) in Kentucky, West Virginia, and Virginia

This dataset is a polygon coverage of counties limited to the extent of the Pond Creek coal bed resource areas. Resource areas are only a subset of the entire areal...本数据集为限定于庞德溪煤层（Pond Creek coal bed）资源区范围内的县级多边形覆盖数据。该资源区仅为全域面状区域的一个子集……