Fire Clay Coal Zone Original Resources by County in Virginia, Kentucky, and West Virginia

This dataset is a polygon coverage of counties limited to the extent of the Fire Clay coal zone resource areas and attributed with original resources (millions of...本数据集为限定于火黏土煤层带（Fire Clay coal zone）资源区域范围的县级多边形覆盖数据集，并附带了原始资源量（单位：百万……）