TY  - BOOK
AU  - Wright,Robert Paul
TI  - Marine Jurassic of Wyoming and South Dakota: its paleoenvironments and paleobiogeography 
U1  - 560.176409787 
PY  - 1973///
CY  - Washington
PB  - United States Government Printing Office
KW  - Geology, Stratigraphic
KW  - Jurassic
KW  - Paleontology
KW  - Geology
KW  - Wyoming
KW  - South Dakota
N1  - Cover title; Bibliography: p. 43-46
ER  -