UNITED STATES GOVERNMENT <br/><br/>
FISCAL YEAR 1981 GEOLOGICAL SURVEY RESEARCH 

 - 0 
 - U.S.A.  UNITED STATES GOVERNMENT  1984 
 - 424 pag  29 cm 
 - 0  0 .
<br/><br/>MINERAL GEOLOGIC/ASTRO LOGICAL 
<br/><br/><label>Subjects--Topical Terms: </label><br/>CIENCIAS PURAS
<br/><br/><label>Dewey Class. No.: </label>550  / U61