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Keywords from Image Description:
Switch Black Hawk NYPL bGF ZF. en Switch Black Hawk nypl org Scan by NYPL Switch Black Hawk Railroads The Miriam and Ira Wallach Division of Art Prints and Photographs Photography Collection bdcfadabc GFZF Robert Dennis collection of stereoscopic views deccadeeaa NYPGF repo nypl org Check categories April PDold DEFAULTSORT