The reddish-brown color of human feces is derived from stercobilin, a tetrapyrrole[?] chemical compound created by bacterial action on bilirubin and subsequent oxidation.
... Reservation[?]
Fort Belknap Indian Reservation[?]
Fort Peck Indian Reservation[?]
Crow Indian Reservation[?]
Northern Cheyenne Indian Reservation[?]
Fort Berthol ...