Mining -- Processing Equipment and Infrastructure
name: label: Collection Creator
content: Missionary Catechists of Divine Providence.
label: Collection Creator
content: Massachusetts Institute of Technology (MIT) Civil Engineering Department
label: Collection Creator
content: Underwood and Underwood
setName: label: See more items in
content: Division of Work and Industry Lantern Slide Collection
label: See more items in
content: Division of Work and Industry Lantern Slide Collection / Series 2: Extractive Industries
unitdate: label: Date
content: 1892-1930, undated
dataSource: label: Archival Repository
content: Archives Center, National Museum of American History
identifier: label: Identifier
content: NMAH.AC.1013, Subseries 2.4.5
objectType: label: Type
content: Archival materials
scopecontent: label: Scope and Contents
content: Contains images of workers, tools, and equipment in the United States including Ohio, Pennsylvania, Colorado, and Minnesota. A few of the images are identified by  a photographer named Hiedwohl.