By Ken Marsh

“The winter! the brightness that blinds you, … The woods where the weird shadows slant;

The stillness, the moonlight, the mystery, I’ve bade ’em good-by– but I can’t.”

— Robert Service, Spell of the Yukon

hirty years ago, living as a trapper in Alaska’s upper Susitna Valley, I traveled on snowshoes nearly every winter day. Against a tapestry…