This cache is not at the posted coordinates,
you will need to solve a puzzle first.
Posted coordinates bring you to a storm drain with a certain year embossed into the lid. Take this year and divide by 1,000 then add to the following fictitious coordinates for the final stage:
N43 38.394 W79 40.725
If you want to double check your calculation, enter your result here:
You can validate your puzzle solution with certitude.