United States, Arkansas, Washington, Lake Wedington.
36.090514 -94.37017 +-873m. WGS84
Used Historical USGS Topo maps from Tulsa 1958 through Rhea 1983 plus current ESRI USGS Topo USA (faster) map to confirm size and shape of Lake Wedington for all the dates of records processed. Placed pin in center of lake and edited uncertainty radius.