At the posted coordinates for this two stage multi, you will find a large rock with a plaque on it. Use the words on the plaque to derive the coordinates to the second stage below. To help insure you get the correct answer, add all four letter values to arrive at the checksum number of 13
N 42 53.7AB W 85 36.0CD
A = Number of letter in the second word
B = Number of letters in the third word, minus 4
C = Number of letters in the last word, plus 2
D = First digit of the size of the property
Tahquamenon Falls is the largest waterfall in Michigan, and consists of the upper falls and the lower falls. The upper falls are the more scenic of the two and are easily accessible. At 50 feet high, and 200 feet wide, the upper falls is one of the largest waterfalls east of the Mississippi River.
There is a trail between the upper and the lower falls. It is 4+ miles, with some ups and downs, mostly through woods well above the river. The river is quite calm between the two falls, and there is not much rock to see. Naturally occurring tannic acids in the water give the falls their brownish tea color.