TY  - BOOK
AU  - Tysdal, Russell G.
CN  - QE75
CN  - QE75
CY  - Washington, D.C. :
CY  - Denver, CO :
DA  - 1991.
ID  - 229690
KW  - Geology, Stratigraphic
KW  - Geology
PB  - U.S. G.P.O. ;
PB  - For sale by the U.S. Geological Survey,
PP  - Washington, D.C. :
PP  - Denver, CO :
PY  - 1991.
T1  - Depositional environments for strata of composite section of Frontier Formation, Madison Range, southwestern Montana /
TI  - Depositional environments for strata of composite section of Frontier Formation, Madison Range, southwestern Montana /
VL  - 1949
ER  -