DAVIDSON, E.S. <br/><br/>
SUMMARY APPRAISALS OF THE NATION'S GROUND-WATER RESOURCES-LOWER COLORADO REGION 

 - WASHINGTON: USDI.,  1979 
 - 23P; ILLUST 
 - US GEOLOGICAL SURVEY PROFESSIONAL PAPER 813-R .
<br/><br/><br/>ENG 
<br/><br/><label>Subjects--Topical Terms: </label><br/>WATER, UNDERGROUND-COLORADO RIVER WATERSHED.<br/>WATER, USE-COLORADO RIVER WATERSHED.