topic

• Water-supply3
• Westward movement3
• Gold mining1
• Railroads1
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collection

• Catskill Aqueduct, Croton Division: collection of photographs illustrating its construction3
• Early Western photographs, 1857-18993

place

• Croton Aqueduct (N.Y.)3
• New York3
• New York (State)3
• United States3
• West (U.S.)3
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genre

• Photographs6

division

type

• still image6