Gibbon River in Gibbon Meadows immediate following the 1975 Yellowstone National Park earthquake
By Yellowstone Volcano Observatory
1975 (approx.)

Detailed Description
Gibbon River in Gibbon Meadows immediate following the June 30, 1975, magnitude-6 Yellowstone National Park earthquake. The muddy color is due to increased sediment load. NPS photo by Rick Hutchinson.
Sources/Usage
Public Domain.