Bergquist, Joel R. <br/><br/>
Mineral resources of the wilderness study area and the ballands wilderness study area additions, Crook and Deschutes Counties, Oregon / 
Joel R. Bergquist ... [et. al.]. 
 - Washington, D. C. :  U. S. Government Printing Office,  1990. 
 - various paging ;  29 cm. 
 - Geological Survey Bulletin ;  1744-B .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mines and mineral resources--Oregon--Bad Lands Wilderness.<br/>Mines and mineral resources--Oregon--Bad Lands Additions Wilderness.
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Bad Lands Wilderness (Or.).<br/>Bad Lands Additions Wilderness (Or.).