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1928 Map of Carmel

Name: 1928 Topographic Map of Carmel
Creator: U.S. Geological Survey
Published: 1932
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1932

About this map

Tilly Foster Mine and the surrounding industrial landscape define this corner of Putnam County during the early twentieth century. The map illustrates a region transformed by the New York City water supply system, showing massive engineering projects like the Titicus Reservoir, Croton Falls Reservoir, and Muscoot Reservoir. These man-made lakes sit alongside older natural features like Mahopac Lake and Peach Lake, creating a complex network of controlled waterways.

Rail transport is central to the area's development, with the New York and Harlem and the New York and New England lines connecting local hubs such as Brewster, Carmel, and Katonah. The map captures the transition from small mill settlements like Coles Mills and Farmers Mills to a more integrated suburban and utility-focused landscape. Small hamlets like Tilly Foster and Dykeman are clearly marked along the rail corridors, providing a detailed look at the pre-war geography of the New York-Connecticut borderlands.