Reference 540
Fashbaugh, Earl F (1979)
| Authors | Fashbaugh, Earl F |
|---|---|
| Year | 1979 |
| Pages | 97 pp. |
| GeoRef | 1981-016942 |
| Keywords | Bear Lodge Mountain; Black Hills; Cenozoic; Crook County Wyoming;dikes; geologic maps; igneous rocks; intrusions; lava flows;lithostratigraphy; maps; mineral composition; nepheline syenite;Paleocene; Paleogene; petrology; plutonic rocks; quartz latite;rhyodacites; sills; stratigraphy; Sugarloaf Mountain; SundanceMountain; syenites; Tertiary; United States; volcanic rocks; Wyoming |