Caches are hidden in the 26 Mile Nature Preserve. Enjoy the walk and leave only footprints.
Coordinates should bring you to a sign, use the sign to solve the puzzle.
N42 42.ABC W82 53.XYZ
A - Number of stars above the building
B - Last number in date shown
C - First number plus third number in date shown
X - Number of letters in first word of "_ of the County"
Y - Number of letters in word after Heart
Z - Number of times sign says Macomb
Good Luck.