I hear the sign is damaged so here's the final coords
N 39° 17.587 W 084° 25.941
The coordinates bring you to the trailhead of the loop trail at the preserve. The final coordinates are derived from signs you'll see as you walk the loop. The final cache is within the preserve boundaries. If you had trouble with one of the coordinates please let me know which one. The final is at: N 39° 17.FGR W 084° 25.KQV Twin Creek Preserve is a funnel for QR square miles of upstream drainage. On a sign – how many invasive plants are shown? The #-1=F Which aquatic creature is not shown on the sign with the others? Answer=G 5 Tiger Salamander 6 Leopard Frog 7 Carp 8 Crayfish 9 Snapping Turtle How many birds and butterflies pictured on the one sign? = V0 Which bug is not shown on the sign with the others? Answer=K 5 Water strider 6 Damselfly 7 Dragonfly 8 Mayfly 9 Horse fly