topic

• Geological surveys1
• Geology1

name

• Geological Survey of Pennsylvania1
• Hart, Lane S1
• Lesley, J. P. (J. Peter), 1819-19031
• Sherwood, Andrew, 1848-19331

collection

• Maps of North America1

place

• Pennsylvania1
• Potter County (Pa.)1

genre

• Geological maps1
• Maps1

publisher

• Geological Survey of Pennsylvania1

division

type

• cartographic1