topic

• Mines and mineral resources25
• Explorations and surveys11
• Pacific railroads11
• Railroads11
• More Less

name

• Julius Bien & Co38
• Geological Survey of New Jersey24
• Lesley, J. P. (J. Peter), 1819-190317
• Geological Survey of Pennsylvania16
• Hart, Lane S14
• More Less

collection

• Maps of North America115
• Maps of New York City and State37
• Atlases of the United States23

place

• New York (State)37
• New Jersey32
• Pennsylvania19
• California16
• Michigan14
• More Less

genre

• Maps175
• Geological maps91
• Atlases23
• Geological cross-sections22
• Diagrams11
• More Less

publisher

• Julius Bien & Co.,22
• publisher not identified18
• Geological Survey of Pennsylvania9
• War Dept., U.S. Pacific Rail Road Explorations & Surveys9
• Geological Survey of New Jersey8
• More Less

division

type

• cartographic174
• still image9
• text1