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Profile Lake Franconia Notch NYPL bGF B. en by Kilburn Brothers and Kilburn nypl org Scan by NYPL Profile Lake Franconia Notch Canyons Kilburn Brothers The Miriam and Ira Wallach Division of Art Prints and Photographs Photography Collection acdfdabc GFB Robert Dennis collection of stereoscopic views deaadeeaa NYPGF repo nypl