Call NumberX-9885Date1950-1977SummaryInterior view of the coal washability laboratory, Colorado School of Mines, Golden, Jefferson County, shows two men, one in a hard hat, siphoning liquid from a beaker. Glass jugs and galvinized cans with labels read 1.40--1.70.Physical Description1 photoprint ; 11 x 13 cm (4 x 5 in.)Born-Digital or AnalogAnalogSubjectGolden (Colo.)Coal--Colorado--GoldenUniversities & colleges--Colorado--GoldenColorado School of Mines.Geographic AreaGolden (Colo.)CollectionPhotographs - Western HistoryRelated MaterialImage File: ZZR710009885Type of MaterialPhotographic printsDigital Version Created FromGwen Goldsberry, August 22, 1977.NotesTitle hand-written on back of photoprint. R7100098850
Colo. School of Mines (coal washability laboratory) (1950-1977). Denver Public Library Digital Collections, accessed 22/01/2026, https://digital.denverlibrary.org/nodes/view/1029514
