Weldon River is stream in

Clark Clark is an English language surname, ultimately derived from the Latin with historical links to England, Scotland, and Ireland ''clericus'' meaning "scribe", "secretary" or a scholar within a religious order, referring to someone who was educate ...

and Decatur counties in southern

Iowa Iowa () is a state in the Midwestern region of the United States, bordered by the Mississippi River to the east and the Missouri River and Big Sioux River to the west. It is bordered by six states: Wisconsin to the northeast, Illinois to th ...

and Grundy and

Mercer Mercer may refer to: Business * Mercer (car), a defunct American automobile manufacturer (1909–1925) * Mercer (consulting firm), a large human resources consulting firm headquartered in New York City * Mercer (occupation), a merchant or trader, ...

counties in northern

Missouri Missouri is a state in the Midwestern region of the United States. Ranking 21st in land area, it is bordered by eight states (tied for the most with Tennessee): Iowa to the north, Illinois, Kentucky and Tennessee to the east, Arkansas t ...

of the

United States The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country primarily located in North America. It consists of 50 states, a federal district, five major unincorporated territori ...

. It is a tributary of the

Thompson River The Thompson River is the largest tributary of the Fraser River, flowing through the south-central portion of British Columbia, Canada. The Thompson River has two main branches, the South Thompson River and the North Thompson River. The ri ...

. The confluence is two miles northwest of Trenton. It has an average discharge of 246 cubic feet per second at

Mill Grove Mill Grove is a historic house and estate on Pawlings Road in Audubon, Pennsylvania. Built in the 1760s, it is notable as the first home in America of painter and naturalist John James Audubon (1785-1851), for whom the community is named. The ...

. Weldon River most likely was named after James Weldon, a pioneer settler.

References

Rivers of Clarke County, Iowa Rivers of Decatur County, Iowa Rivers of Grundy County, Missouri Rivers of Mercer County, Missouri Rivers of Iowa Rivers of Missouri {{Missouri-river-stub