The cache is NOT hidden at the given coordinates. In order to find the true location of the cache, you will need to complete the "Historical Markers of Clinton, Michigan" Adventure Lab. The cache is hidden at: N 42° AB.CDE W 083° FG.HIJ. Completing each lab cache will give you a part of the true coordinates, and therefore completing the entire Adventure Lab will give you the full coordinates. While completing the Adventure Lab and getting the true coordinates might not be difficult, finding this bonus cache might be a little trickier.
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