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Keywords from Image Description:
The Stevens mine NYPL bGF ZB. en The Stevens mine nypl org Scan by NYPL The Stevens mine mining Denver Colo The Miriam and Ira Wallach Division of Art Prints and Photographs Photography Collection aecfdabc GFZB Robert Dennis collection of stereoscopic views debadeeaa NYPGF repo nypl org Check categories March PDold DEFAULTSORT