Tunnel from Mammoth to Overlying Veins, packer No. 4
name: label: Collection Creator
content: Lehigh Valley Coal Company
label: Collection Creator
content: Lehigh Valley Railroad Company
label: Collection Creator
content: Millington, W.P.
label: Collection Creator
content: Philadelphia and Reading Coal and Iron Company
label: Collection Creator
content: Wagner, E.C.
setName: label: See more items in
content: Girard Estate Records
label: See more items in
content: Girard Estate Records / Series 7: Drawings
unitdate: label: Date
content: 1880
container: label: Container
content: Box 15, Folder 3
dataSource: label: Archival Repository
content: Archives Center, National Museum of American History
objectType: label: Type
content: Archival materials