Pittsburgh Coal Bed Point Data (Geology) in Pennsylvania, Ohio, West Virginia, and Maryland

This dataset is a point coverage of attributes on data location, thickness of the Pittsburgh coal bed main bench, and its elevation, in feet. The file is also found...本数据集为包含数据位置、匹兹堡煤层主分层厚度及其海拔（单位：英尺）等属性的点覆盖数据集。该文件亦可在……找到。