Prairie Oaks Forest Preserve:
Prairie Cordgrass
The posted coordinates will bring you to an information sign
On this sign you will find three types of grasses
Omit the word "grass" and use the descriptor only
Number the first ten unique letters 0-9
This will be your answer key for the six Prairie Oaks FP multi-caches
This cache can be found at:
N42 07.XIE W88 48.IDM