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Keywords from Image Description:
West portal of tunnel sec. NYPL bGF ZB. en West portal of tunnel sec nypl org Scan by NYPL West portal of tunnel sec Hydraulic facilities Tunnels The Miriam and Ira Wallach Division of Art Prints and Photographs Photography Collection cffdabc GFZB Robert Dennis collection of stereoscopic views decadeeaa NYPGF repo nypl org