the Thoreau Log. 13 March 1846. Walden Pond. Thoreau writes in his journal: The song sparrow and blackbird heard to-day. The snow going off. The ice in the pond one foot thick (Journal, 1:487-488). Log Index Log Pages Select... 1817-1832183318341835183618371838183918401841184218431844184518461847184818491850185118521853185418551856185718581859186018611862