Thoreau writes in his journal:
P.M.—Across the river and over Hill . . .
Looking up over the top of the hill now, southwest, at 3.30 P. M., I see a few mother-o’-pearl tints . . .
Recrossing the river behind Dodd’s, now at 4 P.M., the sun quite low, the open reach just below is quite green . . .