TY  - BOOK
T1  - Geology of pre-Tertiary rocks in the northern part of Yellowstone National Park, Wyoming,
DA  - 1972.
CY  - Washington,
AU  - Ruppel, Edward Thompson,
VL  - 729-A
CN  - QE75
CN  - QE182.Y4
CN  - QE75
PB  - U.S. Govt. Print. Off.,
PP  - Washington,
PY  - 1972.
N1  - Part of illustrative matter in pocket.
ID  - 233882
KW  - Geology
KW  - Intrusions (Geology)
TI  - Geology of pre-Tertiary rocks in the northern part of Yellowstone National Park, Wyoming,
ER  -