This is a bonus cache for the Joseph Lee Heywood memorials Adventure Lab.
The posted location will take you to Heywood Park on the east edge of Northfield, just off Heywood Street.
The cache is at N 44° 26.MHU' W 93° 7.CBB'.
where M, H, U, C and B are obtained by completing each phase of the AL, i.e. at the Monuments, House, UCC, College and Bank. Note that these are saved for you in the journals.
You can validate your puzzle solution with certitude.