Partial autograph manuscript, one page, 8 x 3.75, part of a page from Muir’s working draft of The Mountains of California. Muir writes, in full: “Flower. Grasses are especially abundant, & grow tall & luxuriant, serving as pastures for [crossed out “immense flocks”] 100s of 1000s of sheep, that are driven from the arid plains every summer as soon as the snow is melted.” Page is affixed to an 8.5 x 5.5 off-white sheet. In fine condition, with some light soiling to three corners from adhesive on the reverse and a central horizontal fold. RR Auction COA.