Chippewa County has 53 Historical markers; read them and learn a bit about the history of the Chippewa Falls area. The final cache can be found at:
N44° 55.9AB and W091° 23.6CD
A= Last digit of the year Rev. Robert Cobbin became Pastor, plus 5.
B= Last digit of the year a wooden church was erected, plus 6.
C= Last digit of the year the wooden church was sold, minus 2.
D= Last digit of the number of members there were at the end of the first year it became a West Wisconsin Conference, minus 3.
You are looking for a small container just large enough for a log, so bring your own pencil.
You can validate your puzzle solution with
certitude.