Dam Construction Materials
name: label: Collection Author
content: Olds, Robert F., 1881- (civil engineer)
setName: label: See more items in
content: Robert F. Olds Collection
unitdate: label: Date
content: 1922 - 1944
dataSource: label: Archival Repository
content: Archives Center, National Museum of American History
identifier: label: Identifier
content: NMAH.AC.0231, Series 1
objectType: label: Type
content: Archival materials