Analysis of cost of mining and preparing coal
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 14: Records of Cost of Coal Mining and Preparation
unitdate: label: Date
content: 1894 - 1908
container: label: Container
content: Box 230, Folder 2
dataSource: label: Archival Repository
content: Archives Center, National Museum of American History
objectType: label: Type
content: Archival materials