Conservation of power and water resources. 

 - Washington,  Office of the Federal Register National Archives and Records Administration, 1998  D.C. [EE.UU.] : 
 - 2 v. 
 - Code of Federal Regulations ;  18 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>AGUA--REGLAMENTOS--E.U.A.<br/>FUERZA Y ENERGIA--REGLAMENTOS--E.U.A.
<br/><br/><label>Subjects--Geographic Terms: </label><br/>E.U.A.--REGLAMENTOS
<br/><br/><label>Dewey Class. No.: </label>349.73 C669c No.18 1998