This is a simple 2 stage multicache that takes you to a butterfly garden on the Wapsi-Great Western Trail at Lake Hendricks. At the posted coordinates you will see a trellis with the words "Welcome to the Garden". There is a sign just under this with a date.
If the date is 1969, the final container can be found at N 43 22.274 W 92 33.099.
If the date is 1979, the final container can be found at N 43 22.278 W 92 33.092.
If the date is 1989, the final container can be found at N 43 22.276 W 92 33.097.