The manganese deposits of the Turtle Mountains, North Dakota - Hendricks, Thomas Andrews, 1907-; Laird, Wilson Morrow, 1915- (Grand Forks, N.D., 1943)
Cover title.
"Reprinted from Economic geology, vol. XXXVIII, no. 7, November 1943."
Keywords: Manganese ores -- North Dakota -- Turtle Mountains; Geology -- North Dakota -- Turtle Mountains