GIS data: Boundaries of Boroughs (water areas excluded). All previously released versions of this data are available at <a href="https://www1.nyc.gov/site/planning/data-maps/open-data/bytes-archive.pa
Boundaries of boroughs (water areas excluded). All previously released versions of this data are available on the <a href="https://www.nyc.gov/content/planning/pages/resources/datasets/borough-boundar
