topic

• Reservoirs27
• Real property16
• Water-supply14
• Aqueducts13
• Watersheds7
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name

• New York (N.Y.). Croton Aqueduct Department25
• Serrell, James E23
• G.W. Bromley & Co11
• Welcke, Robert A8
• New York (N.Y.). Aqueduct Commission7
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collection

• Atlases of New York City41
• Maps of New York City and State26

place

• New York (State)61
• New York49
• New York (N.Y.)31
• Croton Aqueduct (N.Y.)17
• Manhattan (New York, N.Y.)12
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genre

• Maps65
• Title pages2
• Topographic maps2
• Manuscript maps1

publisher

• J.E. Serrell23
• G.W. Bromley & Co11
• Aqueduct Commission4
• State Board of Health4
• E. Robinson Co3
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division

type

• cartographic64
• text2
• still image1