GL_StClair_Detroit_River 2019 ESI HYDRO Polygons, Lines
The feature classes HYDROL and HYDROP contain vector lines and polygons representing the coastal shoreline and hydrography used in the creation of the Environmental Sensitivity Index (ESI) for Great Lakes - St. Clair / Detroit River System - 2019 ESI Geodatabase.  The HYDROP (hydrography polygons) layer delineates the …