Mineral resources of the wilderness study area and the ballands wilderness study area additions, Crook and Deschutes Counties, Oregon - Bergquist, Joel R. (Washington, D. C. : U. S. Government Printing Office, 1990)
Keywords: Mines and mineral resources -- Oregon -- Bad Lands Wilderness; Mines and mineral resources -- Oregon -- Bad Lands Additions Wilderness; Bad Lands Wilderness (Or.).; Bad Lands Additions Wilderness (Or.).