topic

• Geology2
• Geological surveys1
• Geology, Stratigraphic1
• Rocks1
• More Less

name

• Cook, George Hammell, 1818-18891
• Geological Survey of New Jersey1
• Geological Survey of Pennsylvania1
• Hart, Lane S1
• Hopkins, Griffith Morgan, Jr1
• More Less

collection

• Maps of North America2

place

• New Jersey1
• Pennsylvania1
• Potter County1
• Potter County (Pa.)1

genre

• Geological maps2
• Maps2

publisher

• Geological Survey of New Jersey1
• Geological Survey of Pennsylvania1

division

• Map Division2

type