Yosemite National Park The State of California, however, retained control of Yosemite Valley and Mariposa Grove. Muir also helped persuade local officials to virtually eliminate grazing from the Yosemite high country. The newly created national park came under the jurisdiction of the United States Army's Troop I of the 4th Cavalry on May 19, 1891, which set up camp in Wawona with Captain Abram Epperson Wood as acting superintendent. By the late 1890s, sheep grazing was no longer a problem, and the Army made many other improvements. The cavalry could not intervene to ease the worsening condition of Yosemite Valley and Mariposa Grove.
Yosemite Firefall tied a gunny sack to a long pole and dipped in "coal oil". He would light the sack and wave it as a signal that the Firefall was about to begin. Then he would kick over the campfire coals. Later, dropping the fire from there was made illegal. The park placed a warning sign which read: In 1897, before Yosemite was a National Park, the Washburn brothers, who owned the Wawona Hotel, had the Guardian of the State Grant evict James McCauley and took over his hotel at Glacier Point. They stopped the Firefalls. The following year, McCauley bought John