Cost of coal production based on commercial tonnage
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 3: Revenue Statements
unitdate: label: Date
content: undated
container: label: Container
content: Box 86, Folder 4
dataSource: label: Archival Repository
content: Archives Center, National Museum of American History
objectType: label: Type
content: Archival materials