Staff (1953). "The Nickel Mountain Project"(PDF). The Ore-Bin. 15 (10). Oregon Department of Geology and Mineral Industries: 59–66. Archived from the original(PDF) on February 12, 2012. Retrieved May 7, 2015.
Staff (1953). "The Nickel Mountain Project"(PDF). The Ore-Bin. 15 (10). Oregon Department of Geology and Mineral Industries: 59–66. Archived from the original(PDF) on February 12, 2012. Retrieved May 7, 2015.