National security and defense :  hearings on H.R. 8761 [to provide further for national security and defense by encouraging production, conserving supply, and controlling distribution of coal, oil, copper, iron, and other metalliferous minerals, timber, and water power], Mar. 13, 1918. 

 - [Washington, D.C.],  1918. 
 - 29 p. 
<br/><br/> CRDP Program Historic Shelflist record. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mineral resources conservation--Law and legislation--United States.<br/>Timber--Law and legislation--United States.<br/>Water resources development--Law and legislation--United States.
<br/><br/><label>Gov. Doc. Class. No.: </label>Y 4.IN 8/4:SE 2