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Keywords from Image Description:
Bulk head Rock Creek sluice NYPL bGF ZB. en Bulk head Rock Creek sluice nypl org Scan by NYPL Bulk head Rock Creek sluice Snake River gold fields Gold mining Hydraulic mining The Miriam and Ira Wallach Division of Art Prints and Photographs Photography Collection dcafadedabc GFZB Robert Dennis collection of stereoscopic views dedadeeaa