Main Report with photos, 352 pages
name: label: Collection Author
content: Pennsylvania State Anthracite Mine Cave Commission
setName: label: See more items in
content: Pennsylvania State Anthracite Mine Cave Commission Report
label: See more items in
content: Pennsylvania State Anthracite Mine Cave Commission Report / Series 1: Reports
unitdate: label: Date
content: 1913 - 1913
container: label: Container
content: Box 1
dataSource: label: Archival Repository
content: Archives Center, National Museum of American History
objectType: label: Type
content: Archival materials