Wisconsin is made up of 72 counties, this cache is focused on Lafayette county. Lafayette County, sometimes spelled La Fayette County, is a county located in the U.S. state of Wisconsin. It was part of the Wisconsin Territory at the time of its founding. As of the 2010 census, the population was 16,836. Its county seat is Darlington. The county was named in honor of the Marquis de Lafayette, the French general who rendered assistance to the Continental Army in the American Revolutionary War. Here are a few stats about Lafayette County, courtesy of Wikipedia. You can learn more about Lafayette county at: https://en.wikipedia.org/wiki/Lafayette_County,_Wisconsin
This county's oldest geocache is GC5957 Yellowstone Lake State Park Cache placed by CacheCats.
You will find this cache at N44 35.ABC W90 04.DEF
A: Signal the Frog's birth year X 0 = A
B: Congressional district
C & D: This county's oldest geocache is GC5DC7
E: As of the 2010 census, the population was 16,8E6.
F: The number of words in the name of the person that the county was named after.
CHECK SUM: A+B+C=7 D+E+F=15
SOURCE: Most of the information on this page was obtained from Wikipedia's page about this Wisconsin county.