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View of Gorge River from Tower. House Observatory Walpole N.H NYPL bGF B. en View of Gorge River from Tower House Observatory Walpole nypl org Scan by NYPL View of Gorge River from Tower House Observatory Walpole The Miriam and Ira Wallach Division of Art Prints and Photographs Photography Collection abcbfebdabc GFB Robert Dennis