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Testing gravel before building dredge

Details

Call NumberX-60145Datecirca 1900SummaryThree men stand on a raft with a churn drill used to test gravel for hydraulic placer gold mining prior to building a dredge, Summit County, Colorado.Physical Description1 photonegative: nitrate ; 26 x 21 cm (10 x 8 in.); 1 photoprint : black-and-white ; 23 x 18 cm (9 x 7 in.)Born-Digital or AnalogAnalogSubjectSummit County (Colo.)Drilling & boring machinery--Colorado--Summit CountyGold mining--Colorado--Summit CountyHydraulic mining--Colorado--Summit CountyMining--Colorado--Summit CountyGeographic AreaSummit County (Colo.)CollectionPhotographs - Western HistoryRelated MaterialImage File: ZZR710060145Type of MaterialNitrate negativesPhotographic printsBlack & white photographsNotesFormerly F451. Title hand-written on back of print. R7100601459

Rights

Rights Statementhttp://rightsstatements.org/vocab/CNE/1.0/CreditDenver Public Library Special Collections, [call number]Digital Reproduction Available for PurchaseYes