Browse Items (2 total) Tags: Grassy Butte ND Browse All Browse by Tag Search Items Browse Map Sort by: TitleCreatorDate Added H. Desmond-Cowboys of Southwestern North Dakota Charles O. Armstrong-( 1862-1943)- Born in Cambridge, MA and came west at an age of 7 with his army family to Ft. Snelling. He lived at Fts. Ransom and Totten and he learned the Sioux language. A US Scout at age 16, trapper, buffalo hunter and mail… Tags: Grassy Butte ND, man, portrait Grassy Butte Post Office The Grassy Butte Post Office. Written on the back is, "164", "-38-" and "38". Tags: Grassy Butte ND, post office Featured Item Anton, Cathleen Portrait of a young woman who is wearing a sweater, pearl necklace, glasses, and ear rings. Identified.