July 26

1865 On July 26, 1865, a battle occurred at Red Buttes which resulted in the death of Lieutenant Caspar Collins. The nearby fort was renamed Fort Caspar in his honor.

1873 During the summer of 1873, Captain William A. Jones led an expedition from Fort Bridger into northwestern Wyoming and the Yellowstone region. On July 26, they "marched 18.8 miles to the North Fork of the Stinking Water River crossing the South Fork...Ish-a-woo-a River." Ishawooa is the Indian name for the creek and refers to the nearby rock formation.