Ottumwa (ŏtŭm´wə, ō–), city (1990 pop. 24,488), seat of Wapello co., SE Iowa, on both banks of the Des Moines River, in a farm and coal area; inc. 1851. A commercial and industrial center, Ottumwa's economy is based on its meatpacking plant and a farm machinery industry. In the center of the city is a park developed from a reclaimed river bottom.
"Ottumwa." The Columbia Encyclopedia, 6th ed.. . Encyclopedia.com. (March 19, 2018). http://www.encyclopedia.com/reference/encyclopedias-almanacs-transcripts-and-maps/ottumwa
"Ottumwa." The Columbia Encyclopedia, 6th ed.. . Retrieved March 19, 2018 from Encyclopedia.com: http://www.encyclopedia.com/reference/encyclopedias-almanacs-transcripts-and-maps/ottumwa