In June 1889 , Captain Frazier Boutelle was appointed as the second acting superintendent of Yellowstone National Park .
In June 1889 , Captain Frazier Boutelle was given command of the U.S. Army contingent ( Company M , 1st Cavalry Regiment ) in the park .
In June 1889 , Captain Frazier Boutelle was appointed as the second acting superintendent of Yellowstone National Park and given command of the U.S. Army contingent ( Company M , 1st Cavalry Regiment ) in the park .