Many thanks to the Chilkat Guides for donating their time, equipment, and unparalleled enthusiasm for taking six rafts of locals and present and former state parks officials through the Alaska Chilkat Bald Eagle Preserve to commemorate the preserve’s 30th anniversary. Guides Ben Feldman, Steve Ritzinger, Brittany Price, Nels Niemi, John Binger and Tyler Ehrlich taught us what we needed to know to stay safe and to see all there was to see on the river.…