Lower Manhattan NYC

Aerial photo of the Lower Manhattan. Source: MacKenzie Bell and Thomas Guffey, Records of U.S. Air Force Commands, Activities, and Organization.

Photograph is dated after 1940, when the Ninth Avenue Elevated railway ceased operation, and before 1950, when the elevated lines to South Ferry were closed. The Brooklyn–Battery Tunnel entrance (between Washington and Greenwich streets, not in the picture) officially opened on May 25, 1950.

Total population of New York City in 1940 was 7,5 million people and reached 7,9 million in 1950.