National Wilderness Preservation Act :  hearings, 85th Congress, 1st session on S. 1176, June 19 and 20, 1957. 

 - [Washington, D.C.],  1957. 
 - vii, 444 p. :  map. 
<br/><br/> Distribution made by issuing office.  CRDP Program Historic Shelflist record. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Wilderness areas--Law and legislation--United States.
<br/><br/><label>GPO Item No.: </label>1040 
<br/><br/><label>Gov. Doc. Class. No.: </label>Y 4.IN 8/13:W 64