Thoreau’s bog

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Hemond, Harold F. “Biogeochemistry of Thoreau’s Bog, Concord, Massachusetts.” Ecological Monographs 50, no. 4 (1980): 507-26.

Schofield, Edmund A. “The Walden Ecosystem: ‘A Perennial Spring in the Midst of Pine and Oak Woods’.”

Hemond, Harold F. Biogeochemistry of a New England Sphagnum Bog. Massachusetts Institute of Technology, Dept. of Civil Engineering, 1977.

Corey, Cherrie. “Gowing’s Swamp and Thoreau’s Bog.” Sudbury Valley Trustees.


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