This cache is a reverse wherigo located in Ludlow. You must use the below cartridge or certain available online tools in order to obtain the coordinates for the cache. The information below is necessary in order to obtain the cache coordinates.
Reverse Wherigo cartridge link
The following six-digit numbers are needed for completion of this wherigo:
004363
513428
792772
Note: this cache is located a rest area that is only accessible from I-90 Westbound!