TY  - BOOK
AU  - Izett,Glen Arthur
AU  - Cobban,W.A.
AU  - Gill,J.R.
TI  - The Pierre shale near Kremmling, Colorado,: and its correlation to the east and the west,
U1  - 551.77 
PY  - 1971///
CY  - Washington, D.C
PB  - United States Government Printing Office
KW  - Geology, Stratigraphic
KW  - Cretaceous
KW  - Geology
KW  - Colorado
KW  - Grand County
KW  - Survey
N1  - Part of illustrative matter fold. in pocket; Bibliography: p. 18-19
ER  -