Looks like the lake and creek are now a part of an irrigation system,
but the USGS lists this longitude and latitude. .6 miles north of confluence of St. Francis and L'Anguille rivers.
http://www.topozone.com/map.asp?lat=34.78694&lon=-90.71904&datum=nad83&u=4&layer=DRG&size=l&s=200