Actual coordinates are N 42 33.abc W 88 58.xyz
BYOP
In celebration of MY 184 puzzle finds and over 20 puzzle hides to date, I hid this container for people to find.
a= GC1PGY0
b= GC1PFTJ
c= GC2W600 - GC26DNQ
x= GC2B31B ÷ GC33VY3
y= GC2D556 - GC36Y8B
z= GC1CP33 - GC2Q75T

You can validate your puzzle solution with certitude.