Discovering Concord’s Rocks & Stones: Outcrops, Glacial Legacies, and Stone Walls
with Richard T.T. Forman, Havard University PAEs Professor of Landscape Ecology Emeritus and 40 year Concord resident.
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with Richard T.T. Forman, Havard University PAEs Professor of Landscape Ecology Emeritus and 40 year Concord resident.