United States, Arkansas, Benton, Running through Rice Prairie, across Hwy 59 from "Smith Field" (Siloam Springs airport).
36.189903 -94.497855 +-225m. WGS84
Could not confirm the location/extent of the slough in 1984. Coordinates are centered in and uncertainty radius includes all of Rice Prairie, location as described in: Clark, Maxine B. (1977) "Remnant Prairie Plots of Benton County, Arkansas," Journal of the Arkansas Academy of Science, Vol. 31, Article 39.