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Obsidian

Field note by  
Calvin
on Yellowstone River on Colter’s Route in 1807, Folsom-Cook-Peterson Route in Yellowstone NP, Yellowstone Caldera in WY · Jul 12th, 2023
Yellowstone Lake Shoreline
Walk
Taxonomy

Classified As

Obsidian
Waterbody
Yellowstone River
River
Geologic Formation
Undivided surficial deposits (WYQu;0)
Geologic Formation
Location
Coordinates
44.55586°N 110.39465°W
Decimal
12TWQ4807733792
MGRS
44°33′21.09100″ N 110°23′40.75195″ W
DMS
Elevation
7,765 ft
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