Composition of Earth's atmosphere by volume. The lower pie represents the trace gases that together compose about 0.038% of the atmosphere (0.043% with CO2 at 2014 concentration). The numbers are from a variety of years (mainly 1987, with CO2 and methane from 2009) and do not represent any single source.
User: How long did Thoreau live in the woods at Walden Pond? User: How long did Thoreau live in the woods at Walden Pond? Weegy: Thoreau lived in the woods at Walden Pond for two years, two months, and two days.
LaBastilleâs life in her cabin on Black Bear Lake, which she built in 1965, has been likened to Thoreauâs life on Walden Pond. The first book in the trilogy, Woodswoman, was published in 1976. It was followed up by Beyond Black Bear Lake, which came out in 1987.