. . "Troy Grove Township" . . "Troy Grove Township, LaSalle County, Illinois" . "1849-11-06" . "Troy Grove" . . "9.238487589568512E7" . . "0.11" . "Troy Grove Township, LaSalle County, Illinois" . "9.248847542009856E7" . . . "Troy Grove Township, LaSalle County" . . . . "103599.52441344" . . . . . . . . "-6" . "14.440220729487477" . . "-5" .