Keller, Margaret A. <br/><br/>
Strontium isotope evidence for the age of the Vaqueros Formation and latest Oligocene marine transgression in the northern Santa Maria Province, central California / 
by Margaret A. Keller, Marilyn E. Tennyson, and Rodger E. Denison. Stratigraphic sections and gamma-ray spectrometry from five outcrops of the Monterey Formation in southwestern California : Naples Beach, Point Pedernales, Lion's Head, Shell Beach, and Point Buchon / by Jon R. Schwalbach and Kevin M. Bohacs. 
 - Washington :  Denver, CO :  U.S. Dept. of the Interior, U.S. Geological Survey :  U.S. G.P.O. ;  For sale by U.S. Geological Survey, Information Services,  1996. 
 - 1 v. (various pagings) :  ill., maps ;  28 cm. 
 - Evolution of sedimentary basins/onshore oil and gas investigations--Santa Maria Province ;  ch. P, Q U.S. Geological Survey bulletin ;  1995 .
<br/><br/> 'Chapters P and Q 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--Mesozoic.<br/>Gamma ray spectrometry.<br/>Sedimentary basins--California--Santa Maria Basin.<br/>Geology--California--Santa Maria Basin.
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Monterey Formation (Calif.)