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Placer Mining Cal NYPL bGF F. en Placer Mining Cal nypl org Scan by NYPL Placer Mining Cal mining Flumes Gold mining The Miriam and Ira Wallach Division of Art Prints and Photographs Photography Collection aecffaedabc GFF Robert Dennis collection of stereoscopic views deddadeeaa NYPGF repo nypl org File Placer Mining Cal NYPL