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Memorial to Ludlow Griscom. Along the Dunes Trail at Hellcat Swamp. Feb. 23, 2012 - Parker River National Wildlife Refuge, Plum Island, Massachusetts. |
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Memorial to Ludlow Griscom. Along the Dunes Trail at Hellcat Swamp. Feb. 23, 2012 - Parker River National Wildlife Refuge, Plum Island, Massachusetts. |
