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Wissahickon Valley Watershed Association - http://www.wvwa.org/
Formed to protect the open space of the valley, enhance its water quality and educate the public about environmental concerns. Includes calendar, newsletter, events, membership and donation information. Located in Ambler. |
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Montgomery County Lands Trust - http://www.mclt.org/
Non-profit land conservancy aiding the county's citizens in conserving, protecting and managing the valuable natural assets that abound throughout the region. |
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Valley Forge Audubon Society - http://www.valleyforgeaudubon.org/
Mission is to preserve birds, other wildlife, and their habitats by promoting appreciation and stewardship. Includes newsletter, calendar of events, and information on meetings and membership. |
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Ground-water Resources of the Brunswick Formation in Montgomery and Berks Counties - http://www.dcnr.state.pa.us/topogeo/pub/water/w022.aspx
Detailed technical report on the geology and groundwater resources of the Mesozoic rocks in an approximately 347-square-mile area. Includes maps. |