Office of Freight and Commercial Vehicle Operations (May 2013). "Minnesota Freight Railroad Map"(PDF). Minnesota Department of Transportation. Archived from the original(PDF) on February 7, 2014. Retrieved January 27, 2014.
"USDA Plant Hardiness Zone Map". Agricultural Research Service, U.S. Department of Agriculture. 2012. Archived from the original on February 27, 2014. Retrieved August 14, 2016.
Boyne, Jeff - 1965 Mississippi River Flood United States National Weather Service (La Crosse Bureau) This article incorporates text from this source, which is in the public domain.
"USDA Plant Hardiness Zone Map". Agricultural Research Service, U.S. Department of Agriculture. 2012. Archived from the original on February 27, 2014. Retrieved August 14, 2016.
Office of Freight and Commercial Vehicle Operations (May 2013). "Minnesota Freight Railroad Map"(PDF). Minnesota Department of Transportation. Archived from the original(PDF) on February 7, 2014. Retrieved January 27, 2014.