This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Silver Cliff mine NYPL bGF ZB. en Silver Cliff mine nypl org Scan by NYPL Silver Cliff mine Silver Cliff Colo The Miriam and Ira Wallach Division of Art Prints and Photographs Photography Collection dbecffadabc GFZB Robert Dennis collection of stereoscopic views deadeeaa NYPGF repo nypl org Check categories March PDold DEFAULTSORT