Imlay, Ralph Willard 1908-1989
Ammonites from the Buchia zones in northwestern California and Southwestern Oregon / by Ralph W. Imlay and David L. Jones. -- Washington : United States Government Printing Office, 1970 - 60 p.,[15] h. de lam. -- (Geological Survey Professional Paper ; 647-B).
Amonites
California
Oregón
564.53(794/795)
Ammonites from the Buchia zones in northwestern California and Southwestern Oregon / by Ralph W. Imlay and David L. Jones. -- Washington : United States Government Printing Office, 1970 - 60 p.,[15] h. de lam. -- (Geological Survey Professional Paper ; 647-B).
Amonites
California
Oregón
564.53(794/795)