Own work

Map was created using:

• Open Street Map
• Relief map generated with Maps for free
• Path of aqueduct below New Croton reservoir and location of old croton dam was taken from
  Hydrographic Map, New York, Westchester, and Putnam, Cronton Aqueduct
• Demis data (Builtup areas)
• File:USA New York location map.svg by NordNordWest (Locater Map)

Map data (c) OpenStreetMap (and) contributors, CC-BY-SA &

This image is in the public domain because it came from the site https://www.demis.nl/products/web-map-server/examples/ and was released by the copyright holder. Permission is granted to copy, distribute and/or modify this map since it is based on free of copyright images from: www.demis.nl. See also approval email on de.wp and its clarification. Deutsch | English | македонски | മലയാളം | Nederlands | slovenščina | +/−

This work has been released into the public domain by its copyright holder, www.demis.nl. This applies worldwide. In some countries this may not be legally possible; if so: www.demis.nl grants anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law. Public domainPublic domainfalsefalse

Derivative works of this file:  Croton-aqueduct-en.png

• 
  Equivalent map with English caption