Studies by O.H. Ammann, consulting engineer
name: label: Collection Creator
content: Modjeski and Masters
setName: label: See more items in
content: Modjeski and Masters Company Records
label: See more items in
content: Modjeski and Masters Company Records / Series 5: Printed Materials
unitdate: label: Date
content: 1943 - 1946
container: label: Container
content: Box 84, Folder 7
dataSource: label: Archival Repository
content: Archives Center, National Museum of American History
objectType: label: Type
content: Archival materials