Charles River Basin contour map of lower basin from surveys and soundings made in Aug. and Sept. 1902 for Committee on Charles River Dam (appointed resolves 1901, chapter 105) under supervision of John r. Freeman, engineer to committee

Charles River Basin contour map of lower basin from surveys and soundings made in Aug. and Sept. 1902 for Committee on Charles River Dam (appointed resolves 1901, chapter 105) under supervision of John r. Freeman, engineer to committee

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