Lat/Long: 39.84588, -89.85816
Richland is a populated place located near Pleasant Plains in Cartwright Township, Sangamon County, Illinois. The U.S. Post Office Department established a post office in the area in August 1834, but closed it in September 1835. The Post Office Department reestablished the post office in June 1837, and it continued operation until June 1857, when the Post Office officials again closed it, only for them to reopen the office in July 1857.
James N. Adams, comp., Illinois Place Names (Springfield: Illinois State Historical Society, 1989), 486; Richland, Township of Cartwright, Sangamon County, Illinois, United States, https://www.mindat.org/feature-4248049.html, accessed 4 February 2022.