The Nation's water resources  the first national assessment. 

 - Washington  [For sale by the Supt. of Docs., U.S. Govt. Print. Off.]  1968. 
 - 1 v. (various pagings)  illus., maps (both part col.)  26 cm. 
<br/><br/><label>LCCN: </label>68062779 //r85 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Water resources development--United States.<br/>Water supply--United States.
<br/><br/><label>LC Class. No.: </label>HD1694  / .A58 1968 
<br/><br/><label>Dewey Class. No.: </label>333.9/1