bush clovers, mountain mint, purple bladderwort...” Twenty-five percent of all the plants Thoreau documented during his two years living in his tiny cabin at Walden Pond are completely gone.

LHVA owns the dam at the south end of Long Pond and a stone-faced mill dam at the south end of Bush Pond. The MFT owns just east of the stone-faced mill dam. David Keehn, the president of the LHVA ...