Mineral resources of the Pryor Mountain, Burnt Timber Canyon, and Big Horn Tack-On Wilderness Study Areas, Carbon County, Montana and Big Horn County, Wyoming / by Charles G. Patterson ... [et al.] (Mineral resources of wilderness study areas--south-central Montana and north-central Wyoming) (U.S. Geological Survey bulletin ; 1723)
Mineral resources of the Pryor Mountain, Burnt Timber Canyon, and Big Horn Tack-On Wilderness Study Areas, Carbon County, Montana and Big Horn County, Wyoming / by Charles G. Patterson ... [et al.]
(Mineral resources of wilderness study areas--south-central Montana and north-central Wyoming) (U.S. Geological Survey bulletin ; 1723)