Go to posted coordinates for stage 1!
Stage 1: Look on the back of the dugout and look at the plaque on it. The top 2 dates are XXXX-YYYY. Now do the math below to get the final coordinates.
Coordinates: N 41 16.(XXXX - 1435) W 73 35.(YYYY - 1777)
The coordinates above will take you to the final stage.
Please be wary of spikey vines and poison ivy on the ground nearby solved coordinates.
This cache contains the C coordinate for the final cache.