TY  - BOOK
AU  - Calkins,Frank C.
TI  - A geological reconnaissance in northern Idaho and northwestern Montana
T2  - U.S. Geological survey. Bulletin 384
AV  - QE75 .B9 no. 384
PY  - 1909///
CY  - Washington
PB  - Govt. Print. Off.
KW  - Geology
KW  - Idaho
KW  - Montana
N1  - Includes index
ER  -