20 Things You Didn’t Know About……Wool. It hates liquid, loves vapor, and is fire –resistant. And, according to number 12, Montanans use it on the roadside for erosion control! See Rob Ament’s fun shout out in the October 1 issue of Discover Magazine.
http://discovermagazine.com/2015/nov/19-20-things-you-didnt-know-about-wool