Wisconsin is made up of 72 counties, this cache is focused on Jackson county. Jackson County is a county located in the U.S. state of Wisconsin. As of the 2010 census, the population was 20,449. Its county seat is Black River Falls. Jackson County was formed from Crawford County in 1853. It was named for President Andrew Jackson. Here are a few stats about Buffalo County, courtesy of Wikipedia. You can learn more about Buffalo county at: https://en.wikipedia.org/wiki/Jackson_County,_Wisconsin
This county's oldest geocache is GC615 Black River SF Cache placed by ERH-IN-WI.
You will find this cache at N44 33.ABC W90 04.DEF
A: The oldest cache is GC61A.
B &D: 9BD square miles is land.
C: The number of the favorites on the oldest cache X 0=C
E & F: The county has a total area of 1,0EF square miles.
SOURCE: Most of the information on this page was obtained from Wikipedia's page about this Wisconsin county.
CHECK SUM: A+B+C=13 D+E+F=8