Slagle, Steven E. <br/><br/>
Hydrogeologic data from the Northen powder river basin, southeastern monotana  / 
by Steven E. Slagle 
 - Washington :  United States Government Printing Office,  1979 
 - Various pagings ;  30 cm. 
<br/><br/> Cover title 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Hydrography<br/>Hydrosphere
<br/><br/><label>Dewey Class. No.: </label>551.46