Rehder and Cook (December 1972). Grass Between The Rails. Waukon & Mississippi Press. Archived from the original on March 25, 2012. Retrieved June 19, 2011.
S.W. Beyer, Iowa's Iron Mine, The Iowa Engineer, Vol. 1, No. 4 (March 1902); p. 142–150. The article includes photos.
Jesse V. Howell, Treatment of the Ore, The Iron Ore Deposits Near Waukon Iowa, Annual Report, 1914, with Accompanying Papers, Iowa Geological Survey, Des Moines, 1916; pp. 84–92. The photo of the plant on page 85 is noteworthy.
Furnace Revival in St. Louis, The Iron Age, Vol. 97, No. 4 (January 27, 1916); p. 281
Samuel Calvin, Drainage, Geology of Allamakee County, Third Annual Report, 1894, Iowa Geological Survey, 1895; pp. 50–51.
Jesse V. Howell, The Galena Formation, The Iron Ores of Iron Hill Near Waukon Iowa, Annual Report with Accompanying Papers, 1914, Iowa Geological Survey, Des Moines, 1916; pp. 50–51.
Robert W. Erwin, Apparatus for Treating Ores Preparatory to Magnetic Separation, U.S. Patent 1,295,719[dead link], Feb. 25, 1919.
Edward F. Goltra, Thomas S. Maffitt, Jesse E. Dana, and Robert W. Erwin, Apparatus for Cleaning Clayey Ores, U.S. Patent 1,288,404[dead link], Dec. 17, 1918. The drawings in this patent closely match the actual layout of the mill buildings and therefore serve as an explanation of what was inside those buildings.
"Station: Waukon, IA". U.S. Climate Normals 2020: U.S. Monthly Climate Normals (1991-2020). National Oceanic and Atmospheric Administration. Retrieved June 25, 2021.
Rehder and Cook (December 1972). Grass Between The Rails. Waukon & Mississippi Press. Archived from the original on March 25, 2012. Retrieved June 19, 2011.
