"3.88498e+06"^^ . "4.40298e+06"^^ . . . . "517998.0"^^ . "-5" . . "24.9936"^^ . "150"^^ . . "Felsenthal is a town in Union County, Arkansas, United States. The population was 152 at the 2000 census and 150 at the 2010 census. It is near the Felsenthal National Wildlife Refuge. The word Felsenthal is a German word meaning \"rocky valley.\""@en . "34.5175"^^ . "4.4e+06"^^ . "3.8e+06"^^ . "Felsenthal, Arkansas"@en . "600000.0"^^ . . "-6" . . "25.0"^^ . "34.5"^^ .