This mystery cache is a Bonus Cache related to the "Historic Unionville" Adventure Lab. The missing information for this puzzle can be derived by completing the "Historic Unionville" Adventure Lab.
The format for the puzzle solution is N43° 5G.FEB W079° 1J.ECG and answers to the missing information is provided at each stage of the "Historic Unionville" Adventure Lab. Once you have completed the Adventure Lab just review the five Journal entries to get the necessary information.
The following QR code is for the "Historic Unionville" Adventure Lab.