From a letter by Muir:
“I am operating this same mill that I made last winter. I like the piney fragrance of the fresh-sawn boards, and I am in constant view of the grandest of all the falls. I sleep in the mill for the sake of hearing the murmuring hush of the water beneath me, and I have a small box-like home fastened beneath the gable of the mill, looking westward down the Valley, where I keep my notes, etc. People call it the hang-nest, because it seems unsupported, thus:

John Muir hang nest sketch: line drawing of a large building with a small cabin attached to it