Pocahontas No. 3 Coal Bed Resource Areas (Outcrop) in Kentucky, West Virginia, and Virginia

This dataset is a polygon coverage of counties limited to the extent of the Pocahontas No. 3 coal bed resource areas. The eastern limit of the coal bed is along the...本数据集为限定于波卡洪塔斯3号煤层（Pocahontas No. 3 coal bed）资源区范围的县域多边形覆盖范围。该煤层的东部边界沿……