Greenville is full of history, and this mini-series will honor some of it! This cache is honoring the treaty in Treaty City.
At the posted coords, you will see a historical marker. Use the info to find the cache.
The cache is at N 40 07.ABC W 084 36.DEF
A- Add the digits of how many thousands of acres at the Falls of Ohio.
B- Day of the date when the treaty was signed. (MINUS 1)
C- First number on the sign, first digit in that number.
D- Number of letters in treaty name (exclude Treaty of). (MINUS 2)
E- Number of letters in the first word of the war the treaty ended. (PLUS 1)
F- Number of sponsors (listed at the bottom of the sign).
PUZZLE ENDS HERE.

You can validate your puzzle solution with certitude.
Congrats to 2wheels4cache for FTF honors!