TY  - BOOK
AU  - Tysdal, Russell G.
CN  - QE75
CN  - QE75
CY  - Washington :
DA  - 1976.
ID  - 229432
KW  - Geology, Stratigraphic
KW  - Geology, Stratigraphic
KW  - Geology
PB  - U.S. Govt. Print. Off.,
PP  - Washington :
PY  - 1976.
T1  - Paleozoic and Mesozoic stratigraphy of the northern part of the Ruby Range, southwestern Montana /
TI  - Paleozoic and Mesozoic stratigraphy of the northern part of the Ruby Range, southwestern Montana /
ER  -