Wisconsin is made up of 72 counties, this cache is focused on Monroe county. Monroe County is a county in the U.S. state of Wisconsin. As of the 2010 census, the population was 44,673. Its county seat is Sparta. Here are a few stats about Monroe County, courtesy of Wikipedia. You can learn more about Monroe county at: https://en.wikipedia.org/wiki/Monroe_County,_Wisconsin
This county's oldest geocache is GCED6 Mill Bluff Cache, placed by Yawningdog.
You will find this cache at N44 36.ABC W90 02.DEF
A: The larger of the two Congressional districts
B & C: It was founded in B8C4.
D: The small of the two Congressional districts.
E: The oldest cache is GCEDE.
F: The population density is F0/sq mi (19/km²)
SOURCE: Most of the information on this page was obtained from Wikipedia's page about this Wisconsin county.
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CHECK SUM: A+B+C=13 D+E+F=14