The cache is not at the posted coordinates, but rather a very nice interpretive center is. Within this interpretive center you'll find information on the new Madrid fault. There is a north and south set of doors. Within the doors you will find the needed info to find the coordinates for this multi. There is also a side room with information on the fault, you will not need to go in that area to solve this multi. Everything you need will be between the two main entrance doors one on the south side and one on the north side. The final is a short walk with the cache being on the rest stops property.
Assume "N36 32.ABC, W089 35.DCE"
A = find "Jan. 23, 1812" bench what's the digit above the "M=7.6"?
B = along the wall find "how many flushes?" A 8 magnitude = __ 2,000 flushes?
C = find bench number 3 what's the last digit of time listed on it?
D = find "temporary waterfalls" bench, what's the digit above the "S" in waterfalls?
E = along the wall find the "follow the seven steps to earthquake safety" what number is the "identify your building's potential weakness and begin to fix them"? take that number and times it by two.
The final is a matchstick container about chest high.
***permission granted***