Alternative, alternate, altimeter, altitude, although, alter. All these words have something in common, the KEY to solving this puzzle is to figure out what that is and to use the data below to obtain the coordinates for this cache. I'm sure many of you have already figured out how to solve this one, if so, you can skip to the solution. If you still don't know how and are sitting at your computer, the solution is right in front of you, you might even say that it's right at your fingertips. You don't even need an internet connection. Google or Wikipedia could help but Notepad or Word will be even better. (Note, I've been told that this doesn't work on a Mac, if that's the case then Google will work as an ALTernative)
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You can validate your puzzle solution with certitude.