topic

• Aqueducts6
• Cities and towns4
• Water-supply4
• Dams1
• More Less

name

• Chas. Hart & Sons4
• New York (State). Board of Health4
• Welcke, Robert A2
• Aguirre, A. A1
• Church, B. S. (Benjamin Silliman), 1836-1
• More Less

collection

• Maps of New York City and State6

place

• Croton Aqueduct (N.Y.)6
• New York (State)6
• Croton River Watershed (N.Y.)5
• New York5
• Croton River (N.Y.)4
• More Less

genre

publisher

• State Board of Health4
• Aqueduct Commission1
• New York and Northern Railway Co.?1
• Robert A. Welcke Photo-Lith1

division

• Map Division6

type

• cartographic6