1947 Map of Central Islip
USGS Topo · Published 1947About this map
Central Islip State Hospital dominates the central landscape of this post-war Suffolk County survey, its massive footprint and associated filtration beds illustrating the significant institutional presence in the region during the 1940s. The area is defined by the critical transit corridors of the Long Island Railroad and the Long Island Motor Parkway, which supported the growth of settlements like Brentwood and Central Islip. To the north, the terrain transitions into the more established residential patterns of Smithtown Branch and The Branch, situated near the headwaters of the Nissequogue River. Further east, the map captures the recreational and residential hub surrounding Lake Ronkonkoma, while the southern reaches show the early development of the Islip Airport, signaling the area's increasing connectivity and infrastructure expansion.
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Map Details
Editions of this 1947 Central Islip Map
This is the sole edition of this map. No revisions or reprints were ever made.
Historical Maps of Brookhaven Through Time
8 maps found
