Articles about concrete
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 1: Historical Background
unitdate: label: Date
content: 1949-1950
container: label: Container
content: Box 44, Folder 3
dataSource: label: Archival Repository
content: Archives Center, National Museum of American History
objectType: label: Type
content: Archival materials
label: Type
content: Text