Here at DP, we have been re-reading Gary Snyder’s Practice of the Wild, a collection of essays dating from 1990, yet vividly of-the-present. In “Tawny Grammar”, he writes:
The reference to “wild and dusky knowledge” descends from Thoreau’s essay Walking. Later in the same essay, Thoreau writes:

FUJIKO NAKAYA: FOGGY FOREST
Returning to Snyder, here are the final lines from his poem, Endless Streams and Mountains:

CHILDREN OF THE MIST TIP THE MOIST BLACK LINE