topic

• Anthracite coal1
• Anthracite coal industry1
• Coal mines and mining1

name

• Ashburner, Charles A. (Charles Albert), 1854-18891
• Geological Survey of Pennsylvania1
• Hart, Lane S1
• Julius Bien & Co1
• Lesley, J. P. (J. Peter), 1819-19031

collection

• Maps of North America1

place

genre

• Maps1
• Thematic maps1

publisher

• Geological Survey of Pennsylvania1

division

• Map Division1

type

• cartographic1