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 :  U.S. G.P.O.,  1996 
 - 1 v. (various pagings) :  ill., maps ;  28 cm. 
 - U.S. Geological Survey bulletin ;  1995-P,Q .
<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.)
<br/><br/><label>Dewey Class. No.: </label>551.7870979462