Attention all Autobots! Please recover the lost Energon cylinder from one of our fallen comrades. Only the most intelligent and efficient will be able to determine the location, so we don't have to worry about Decepticons finding it first.
You can find it here:
N45° 14.(B-2)(D-2)3' W076° 15.(A-3)(C-2)8'
A =

B =

C =

D (Digital Root) =

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Transformers: Robots Geocaching in Disguise
For a list of every cache in this series, look at the bottom of the 1st cache of this series (here).