Lower Kittanning Coal Bed Known Areal Extent (Outcrop) in Pennsylvania, Ohio, West Virginia, and Maryland

This dataset is a polygon coverage of the resource areas of the Lower Kittanning coal zone. This dataset is the digital compilation of geologic and resource maps...本数据集为下基坦宁煤带（Lower Kittanning coal zone）资源分布区的多边形覆盖（polygon coverage）数据。本数据集系地质图与资源图的数字化汇编成果……