topic

• Geology5
• Iron mines and mining3
• Soils2
• Geology, Economic1
• Geology, Stratigraphic1
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name

• Smock, John C. (John Conover), 1842-19268
• Cook, George Hammell, 1818-18895
• Vermeule, C. C. (Cornelius Clarkson), 1858-19503
• Bien, Julius, 1826-19092
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collection

• Maps of North America9

place

• Middlesex County1
• Monmouth County1
• Passaic River Valley1
• Passaic River Watershed1
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genre

• Maps9
• Geological maps8

publisher

division

• Map Division9

type

• cartographic9