United States Geological Survey yearbook Fiscal year 1979 
 USGS 

 - Washington :  United States Government Printing Office,  1979-1980 
 - Various pagings :  ill., maps ;  29 cm. 
<br/><br/><label>Subjects--Corporate Names: </label><br/>Geological Survey (U.S.)
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology--Research--United States
<br/><br/><label>Dewey Class. No.: </label>353.00855