Our Park Improvement Education Series, or P.I.E.S., is a series of eight free workshops made possible by Chipotle Mexican Grill. Topics include mulching and root collar clearing, water design, and habitat restoration. This November 8 and 15 we will conclude our 2014 P.I.E.S. with two back-to-back weekend Trail Education and Stewardship Training workshops. Members of the Austin Ridge Riders will …