topic

• Geology8
• Iron mines and mining3
• Geology, Stratigraphic2
• Glacial landforms2
• Iron ores2
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name

• Smock, John C. (John Conover), 1842-192612
• New Jersey Geological Survey9
• Cook, George Hammell, 1818-18897
• Vermeule, C. C. (Cornelius Clarkson), 1858-19505
• Geological Survey of New Jersey4
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collection

• Maps of North America13

place

• New Jersey12
• Middlesex County1
• Monmouth County1
• Palisades (N.J. and N.Y.)1
• Passaic River Valley1
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genre

• Maps13

publisher

division

type

• cartographic13