Merrill, Frederick J. H.  1861-1916. <br/><br/>
Geology and mineral resources of San Diego and Imperial counties, 
by Frederick J. H. Merrill. December, 1914. 
 - [San Francisco?]  California State Printing Office,  1914. 
 - 113 p.  illus.  23 cm. 
<br/><br/> At head of title: California State Mining Bureau.  Cover-title: Mines and mineral resources of Imperial County, San Diego County; chapters of state mineralogist's report, biennial period, 1913-1914. 
<br/><br/>Bibliography: p. 113. 
<br/><br/><label>LCCN: </label>gs 15000157  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology--California.<br/>Mines and mineral resources--California.
<br/><br/><label>LC Class. No.: </label>TN24.C2  / M3