The Forever Wild layer delineates the location of ecologically important natural resources within NYC Parks property.
Map: https://data.cityofnewyork.us/dataset/Forever-Wild-Map/br7w-st33
Data Dictionary and User Guide: https://docs.google.com/spreadsheets/d/1BGfs3SaRlh0p2itOIimg1OQMvfkVuT0NQE6xDitZDQM/edit#gid=1692110788