Correspondence for replacing steam locomtives with diesel electric and straight electric locomotives
name: label: Collection Author
content: Lehigh Coal and Navigation Company
setName: label: See more items in
content: Lehigh Coal and Navigation Company Records
label: See more items in
content: Lehigh Coal and Navigation Company Records / Series 20: Miscellaneous Materials
unitdate: label: Date
content: 1950 - 1951
container: label: Container
content: Box 79, Folder 6
dataSource: label: Archival Repository
content: Archives Center, National Museum of American History
objectType: label: Type
content: Archival materials