Job sheets for improvement and special work, numbers 1-718
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 12: Records of Improvements and Special Projects
unitdate: label: Date
content: 1917 - 1925
container: label: Container
content: Box 140
dataSource: label: Archival Repository
content: Archives Center, National Museum of American History
objectType: label: Type
content: Archival materials