Category: Science - Earth/Agricultural/Farming
View west toward Grand Teton on skyline. Hedrick’s Pond surrounded by “knob and kettle” topography is in foreground, tree-covered Burned Ridge moraine is in middle distance, and extending from it to foot of mountains is gray flat treeless glacial outwash plain. _National Park...
Glaciers sculptured all sides of Jackson Hole and filled it with ice to an elevation between 1,000 and 2,000 feet above the present valley floor. The visitor who looks eastward...
2. Part 2About a million motorists drive south from Yellowstone to Grand Teton National Park each year. As they wind along the crooked highway on the west brink of Lewis River Canyon (fi...
1. Part 1View west toward Grand Teton on skyline. Hedrick’s Pond surrounded by “knob and kettle” topography is in foreground, tree-covered Burned Ridge moraine is in middle distance, and...
8. Part 8Remnants of two sets of lake deposits in Jackson Hole record preglacial events in Quaternary time. Downdropping of southern Jackson Hole along the Hoback and Teton faults blocke...
7. Part 7The enormous section of Tertiary sedimentary rocks in the Jackson Hole area (table 5) is one of the most impressive in North America. If the maximum thicknesses of all formation...
4. Part 4We are immediately struck by the fact that all of the subdivisions of the stratigraphic time scale since the beginning of the Paleozoic are compressed into the last 5 inches of...
6. Part 6The Phosphoria Formation and its equivalents of Permian age are unlike any other Paleozoic rocks because of their extraordinary content of uncommon elements. The formation consi...
5. Part 5More than 700 million years elapsed between intrusion of the black dikes and deposition of the first Paleozic sedimentary rocks—a longer period of time than has elapsed since th...
9. Part 9T talus 24 Targhee uplift 83 Teewinot Lake 92 terminal moraine 30 Tetons 8 Teton fault 37 thrust fault 39 timberline 15 titanothere 97 treeline 15 Triceratops 85 trilobites 70 t...