When you get to the posted coords you'll see a very picturesque town clock. On the back of the clock is a small plaque about 4' off the ground. There are three number on the plaque: A date which we'll call ABCD, a phone number which we'll call EFG-HIJ-KLMN and a zip code that we'll call OPQRS. The cache can be found at:
N39 58.FE(P+Q)
W74 35.(B-A)SJ
ZXU. Snpvat gur TM, vg'f ba gur yrsg fvqr, hc uvtu, irel sebag.