Sitting Bull Falls in springs further down the canyon or joins the Pecos Valley underground water supply. The area around Sitting Bull Falls is the remnant of a reef system known as the Capitan Great Barrier Reef dating from the Permian period. Approximately 250 million years ago, the region was located near the edge of an inland sea. The origin of the name Sitting Bull Falls remains uncertain. One version holds that the falls were named after a Sioux medicine man. The Apache name for the area was gostahanagunti which means "hidden gulch". A number of hiking trails allow visitors access to the
Oklahoma Tax Commission v. Citizen Band, Potawatomi Indian Tribe of Oklahoma and as such qualifies for immunity. The court then held that the Tenth Circuit erred in holding that tribe did not have to collect sales taxes on cigarettes sold to non-members. Justice Stevens issued a concurring opinion that mainly discussed the question of immunity as applied to the facts of the case. Oklahoma Tax Commission v. Citizen Band, Potawatomi Indian Tribe of Oklahoma Okla. Tax Commission v. Citizen Band, Potawatomi Indian Tribe of Okla., 498 U.S. 505 (1991), was a case in which the Supreme Court of the United States held that the tribe was not subject to state sales