Call NumberX-60767CreatorAMAX, Inc.SummaryA worker monitors a row of "Denver Sub-A" flotation machines at the Henderson Mine and mill in Empire, Clear Creek County, Colorado.Physical Description1 photoprint ; 13 x 18 cm (5 x 7 in.)Born-Digital or AnalogAnalogSubjectMolybdenum--Colorado--EmpireEmpire (Colo.)Henderson Mine (Clear Creek County, Colo.)Interiors--Colorado--EmpireMining--Colorado--EmpireCollectionPhotographs - Western HistoryRelated MaterialImage File: ZZR710060767Type of MaterialPhotographic printsBlack & white photographsDigital Version Created FromAMAX.NotesLabel on back of print: "Photograph courtesy of: Henderson Mine Public Relations Department, Box 68 Empire, Co. 80438 (303) 569-3221."; Title and "27471-14" from typed label on back of print. R7100607675
AMAX, Inc., Flotation cells are monitored during skimming operation for molybdenum recovery.. Denver Public Library Digital Collections, accessed 14/03/2026, https://digital.denverlibrary.org/nodes/view/1058127