Disclaimer- You must have found #082: Magnemiteand#083: Magneton in order to find this cache.
This 3 part mini-series is designed to be done together and to add 3 different smileys to your total. You will be required to use information inside each cache to find the next one so I highly recommend doing all 3 at the same time. An excellent 3 caches for your calendar, The Icon Challenge, or just for plain fun! As the saying goes, "Gotta Catch em All!"
The cache is not at the posted coordinates. However it is close by. You must first have located the second cache to be able to start following the letterbox clues to the third and final cache in this mini series. The location of the second cache is the starting point for this one. So start with the clues below, and the clue located inside the second cache is the last bit of clue to narrow down the search. The stamp is a picture of a stone, or a "Sinnoh Stone"!
"From the second cache, turn right out of the driveway. Then turn left at the light. At the next light, turn left into the grocery store parking lot. Proceed strait to the other side of the building. Turn left at the corner of the building and park with the building in front of you. Look to the right and identify a long row of evergreen trees. Then..."
Congrats to Blanchards3 for catching and evolving all 3 Pokémon!!! (Sorry again for startling you and your son as you searched for this one!)