Age, stratigraphy, and correlation of the late Neogene Purisima Formation, central California coast ranges / 
By Charles L. Powell II ... [et al.]. 
 - Reston, Va. :  U.S. Geological Survey,  2007. 
 - iv, 32 p. :  ill. (some col.), maps ;  28 cm. 
 - U.S. Geological Survey professional paper ;  No. 1740 .
<br/><br/>Includes bibliogr. references : (p.17-22) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology, Stratigraphic--Neogene<br/>Geology--California--Pacific Coast