Age of the Lospe Formation (Early Miocene) and origin of the Santa Maria Basin, California / 
by Richard G. Stanley ... [et al.]. Petroleum source potential and thermal maturity of the Lospe Formation (Lower Miocene) near Point Sal, onshore Santa Maria Basin, California / by Richard G. Stanley ... [et al.]. Obispo Formation, California : remobiled pyroclastic material / by Jean-Luc Schneider and Richard V. Fisher. 
 - Washington :  U.S. Government Printing Office,  1996. 
 - 1 v. (various pagings) :  ill., maps ;  28 cm. 
 - U.S. Geological Survey bulletin ;  1995 Evolution of sedimentary basins/onshore oil and gas investigations--Santa Maria Province ;  ch. M, N, O .
<br/><br/> 'Chapters M, N, and O are issued as a single volume and are not available separately.' 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology, Stratigraphic--Miocene.<br/>Geology--California--Casmalia Hills Region.<br/>Petroleum--Geology--California--Casmalia Hills Region.
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Lospe Formation (Calif.)<br/>Obispo Formation (Calif.)<br/>Santa Maria Basin (Calif.)
<br/><br/><label>LC Class. No.: </label>QE75  QE694  / .B9 no. 1995-M-O