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Keywords from Image Description:
Silver ore train NYPL bGF ZF. en Silver ore train nypl org Scan by NYPL Silver ore train Gurnsey's Rocky Mountain scenery Canyons Colorado Springs Colo The Miriam and Ira Wallach Division of Art Prints and Photographs Photography Collection fbccfedbdabc GFZF Robert Dennis collection of stereoscopic views deadeeaa NYPGF repo