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1955 Map of Mamaroneck

Name: 1955 Topographic Map of Mamaroneck
Creator: U.S. Geological Survey
Published: 1958
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1958

About this map

The Mamaroneck coastline and its surrounding Westchester County suburbs show a landscape defined by mid-century affluent development and a deeply indented shoreline. This mid-1950s survey illustrates a period when major transportation arteries like the Hutchinson River Parkway and the New England Thruway were shaping the transit patterns of Rosedale and White Plains. The map captures the distinct character of the Sound Shore communities, where extensive recreational and social grounds like the Westchester Country Club and Apawamis Golf Club occupy significant acreage between residential blocks.

Maritime activity is centered around the East Basin and West Basin of Mamaroneck Harbor, leading out past Hen Island to the Long Island Sound. To the south, the map reaches across the water to show the Execution Rocks Lighthouse and the northern edge of Long Island at Glen Cove, including the Webb Institute and Dosoris Pond. Numerous schools and cemeteries, such as Greenwood Union Cemetery and the Osborn Memorial Home, provide essential landmarks for genealogists and local historians tracking the growth of these historic townships.