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Regional > North America > United States > Massachusetts > Counties > Worcester > Science and Environment

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	Sudbury Valley Trustees - http://www.sudburyvalleytrustees.org/ Information about volunteer group committed to protecting wildlife habitat and ecological integrity of the Sudbury, Assabet, and Concord Rivers.
	Lake Quinsigamond Watershed Association - http://www.lqwa.org/ Community organization committed to restoring and preserving the Lake Quinsigamond watershed. Mission statement, historical photos, membership information, and event listings.

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