Call NumberX-3218CreatorWolle, Muriel Sibell, 1898-1977Date1944SummaryThe interior of the shafthouse of the Fourth of July mine in Boulder County, Colorado has a large boiler surrounded by bricks that have fallen into rubble. Roof beams are scattered across the floor, and sun is shining through both a broken window and the exposed rafters in the ceiling.Physical Description1 photonegative : black-and-white ; 7 x 12 cm (2 3/4 x 4 1/2 in.); 1 photoprint : black-and-white ; 6 x 11 cm (2 1/4 x 4 1/4 in.)Born-Digital or AnalogAnalogSubjectBoulder County (Colo.)InteriorsMining--Colorado--Boulder CountyCollectionPhotographs - Western HistoryGeographic AreaBoulder County (Colo.)Related MaterialImage File: ZZR710003218Type of MaterialFilm negativesBlack & white photographsPhotographic printsOriginal Material Found in CollectionWH906. Muriel Sibell Wolle papersNotesFormerly Wo217. Title hand written on back of photoprint; adhesive stains on back. R7100032189DonorMuriel Sibell Wolle estate, 1977
Wolle, Muriel Sibell, 1898-1977, 4th of July mine boiler (1944). Denver Public Library Digital Collections, accessed 15/08/2026, https://digital.denverlibrary.org/nodes/view/1025183
