Johnson, Samuel Y <br/><br/>
Sedimentology of the conglomeratic lower member of the Lospe formation (Lower Miocene), Santa Maria Basin, California / 
 Provenance of sandstone clasts in the Lower Miocene Lospe Formation near Point Sal, California / 
by Samuel Y. Johnson and Richard G. Stanley 
 - Washington :  U.S. Government Printing Office,  1994 
 -  ill. ;  27 cm. 
 - U.S. Geological Survey bulletin ;  1995-D,E .