Abandoned Mine Land Inventory Polygons: Pennsylvania
Pennsylvania Department of Environmental Protection
This data set portrays the approximate location of Abandoned Mine Land Problem Areas containing public health, safety, and public welfare problems created by past coal mining. It is a subset of data contained in the Office of Surface Mining (OSM) Abandoned Mine Land Inventory. This layer identifies AML Polygons representing specific areas to large to be represented by points within the entire, AML Inventory Site, examples include AML dangerous highwalls.