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I've never commented on Instructables, but that website is going to come in handy on my summer trip. I can't believe I'd never heard of it before! Thanks!
Raspberry Pi Class
3D Printing Class
first of all, that's a 126 ft sand dune vs a 12,441 ft true mountain. Second of all, I've never heard of another one. Also, if you're going to Philmont, don't bring anything that smells.
How To Make The Lockheed C-130 Hercules Paper Airplane