Special Report. 

 - San Francisco :  Division of Mines and Geology,  1950- 
 - n. :  il. ;  28 cm 
 - Frecuencia irregular 
 - Comenzó a publicarse en 1950. En biblioteca años 1950-1970. 
<br/><br/> no.44(1955) Bibliography of Marine Geology and Oceonagraphy, California Coast; no.52, 52A, 52B(1958) Index to Geologie Maps of California; no.66(1961) An Annotated Bibliography of California Cretaceous Microfossils. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geología
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Estados Unidos