TY  - BOOK
AU  - Tysdal, Russell G.
TI  - Revision of Middle Proterozic Yellowjacket Formation, central Idaho, and Revision of Cretaceous Slim Sam Formation, Elkhorn Mountains area, Montana
SN  - 0607895543 (pbk.)
PY  - 2000///
CY  - Washington, D. C., Denver, CO
PB  - U. S. G. P. O., For sale by U.S. Geological Survey, Information Services
KW  - გეოლოგია
ER  -