I've used clear acrylic spray sold at art supply houses--yes, it waterproofs the paper. Unfortunately, it's then brittle...I've bought a 200 sheet pack of rite in the rain, to use in a laser printer, but have not yet had time to compose my list of "tips"...I'm still trying to pare it down to a couple dozen pages <img src="images/graemlins/smile.gif" alt="" />

I'm including matierial from FM 3-05.70 (latest revamp of fm 21-76, survival), FM 21-76-1 SERE (level A), the SERE level B course, etc etc etc.
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Member of the toughest, meanest, deadliest, most unrelenting -- and ablest -- form of life in this section of space, a critter that can be killed but can't be tamed. --Robert A. Heinlein