The Lakes and Rivers hydrographic polygon data layer was created to accurately depict the location and shape of flowing water features greater than five feet in width and major standing water bodies in Cook County.

The Lakes and Rivers hydrographic polygon data layer was created to accurately depict the location and shape of flowing water features greater than five feet in width and major standing water bodies in Cook County.

The Rivers and Streams data set represents, as a single line, the interpreted midline of flowing water features as seen on the aerial photography.

The Rivers and Streams data set represents, as a single line, the interpreted midline of flowing water features as seen on the aerial photography.

Trails within the Forest Preserve District of Cook County. To view or use these shapefiles, compression software and special GIS software, such as ESRI ArcGIS, is required.

Forest Preserve District of Cook County boundaries. To view or use these shapefiles, compression software and special GIS software, such as ESRI ArcGIS, is required.

Shelters within the Forest Preserve District of Cook County. To view or use these shapefiles, compression software and special GIS software, such as ESRI ArcGIS, is required.

Fishing lakes in Cook County with contours. To view or use these shapefiles, compression software and special GIS software, such as ESRI ArcGIS, is required

KML file of trails within the Forest Preserve District of Cook County. To view or use these files, special GIS software such as Google Earth is required

KML file of the boundaries of Cook County Forest Preserve facilities. To view or use these files, special GIS software such as Google Earth is required