the Thoreau Log.2 December 1858. Concord, Mass.Thoreau writes in his journal:
When I first saw that snow-cloud it stretched low along the northwest horizon, perhaps one quarter round and half a dozen times as high as the mountains, and was remarkably horizontal on its upper edge, but that edge was obviously for a part of the way very thin, composed of a dusky mist . . .(Journal, 11:361)