Evaluation of coal resources in the eastern part on the Fort Peck Indian Reservation, Montana / 
by Laura R.H. Biewick ... et al. 
 - Washington, D. C. :  Government Printing Office,  1990 
 - 136 p. :  ill. ;  28 cm. 
 - U.S. Geological survey bulletin ;  1869 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Coal mines and mining--montana--Fort peck Indian reservation