DOWNEY, JOE S. <br/><br/>
GEOHYDROLOGY OF BEDROCK AQUIFERS IN THE NORTHERN GREAT PLAINS IN PARTS OF MONTANA, NORTH DAKOTA... 

 - WASHINGTON: USDI,  1986 
 - 87P; ILLUST 
 - U.S.GEOLOGICAL SURVEY PROFESSIONAL PAPER 1402-E .
<br/><br/><br/>ENG 
<br/><br/><label>Subjects--Topical Terms: </label><br/>GROUNDWATER FLOW-GREAT PLAINS-MATHEMATICAL.<br/>AQUIFERS-GREAT PLAINS.<br/>GROUNDWATER FLOW-GREAT PLAINS-DATA PROCESSI.