Land status and Federal mineral ownership in the Powder River Basin, WY and MT (prbown98g)
This is a coverage of surface and Federal mineral ownership in the Powder River Basin area, Montana and Wyoming.  This coverage is the combination of several ARC/INFO coverages and MOSS format files that were collected from the BLM, reformatted as needed, modified, and/or created by the USGS from hard copy BLM …