Cache is NOT at the posted coordinates. Solve the puzzle to find the cache!
G=7
How many caches did Wheels00 find during his first year of caching?
42 = N 41° 37.46' W 87° 46.769'
87 = N 41° 38.041' W 87° 46.454'
151 = N 41° 37.130' W 87° 47.085'
204 = N 41° 36.345' W 87° 47.412'