Cornwall Mine, Pennsylvania and Grace Mine Pennsylvania
name: label: Collection Creator
content: Bethlehem Steel Corporation
setName: label: See more items in
content: Bethlehem Steel Corporation Mining Photographs
label: See more items in
content: Bethlehem Steel Corporation Mining Photographs / Series 8: Slides
unitdate: label: Date
content: 1968 September 20
container: label: Container
content: Box 55, Folder 1
dataSource: label: Archival Repository
content: Archives Center, National Museum of American History
objectType: label: Type
content: Archival materials
label: Type
content: Slides