Clark, Bruce L. <br/><br/>
The San Lorenzo Series of Middle California; a stratigraphic and paleontologic study of the San Lorenzo Oligocene series of the general region of Mount Diablo, California 

 - Berkeley, CA  University of California Press  July 1918 
 - pp. 45-234  ilus., láms. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>MIOCENO
<br/><br/><label>Subjects--Geographic Terms: </label><br/>ESTADOS UNIDOS