Arthur enlisted in the Marine Corps at Minneapolis, Minn., on June 7, 1916; served in 41st Company, Guam, from April 6, 1917, to April 12, 1917; Barracks Detachment, Mare Island, Calif., from April 28, 1917, to June 15, 1917, to discharge. Discharged at Mare Island, Calif., on July 16, 1917, as a Private, Medical Survey. Inducted at Lisbon on Aug. 31, 1918.
This is taken from the ROSTER of the Men and Women who served in the Army or Naval Service (including the Marine Corps) of the United States or its Allies from the STATE OF NORTH DAKOTA in the World War, 1917-1918, Volume 2 Flagg to Lark, published in 1931.