Thumb Butte views
...Near south end of monument...two views, southwest & west.
Thumb Butte
...Near south end of monument...vertical panoramic view, looking east.
This dome seems to be another erosional remanent, with a number of seperate
horizontal flows. N34, 05', 35.2"...W112, 05', 53.2"
Basalt hill was
cemented by a Hydrothermal intrusion, a carbonate, that causing it to be less eroded than its surrondings.
This resulted in a interesting small round hill at. N34, 05', 30.9"...W112, 08', 17.0"
