Duff, Levi Bird
setName: label: See more items in
content: American Society of Civil Engineers Oral Histories
label: See more items in
content: American Society of Civil Engineers Oral Histories / Series 1: Oral History Transcripts
unitdate: label: Date
content: 1967
container: label: Container
content: Box 1, Folder 6
dataSource: label: Archival Repository
content: Archives Center, National Museum of American History
objectType: label: Type
content: Archival materials