The following data layers are available through the JCNERR CTP:

• Boundaries: State, Municipal, Federal and Watershed
• USGS Digital Topographic Maps
• Streams, Lakes, Rivers
• Aerial Photography
• Submerged Aquatic Vegetation
• Satellite Imagery
• Census
• Land Use Land Cover
• Elevation
• Wetlands
• Soils
• Place Names
• Sewer Service Areas
• Historical Imagery
• Zoning
  

Below are other websites that the JCNERR has developed using GIS technology:

• Submerged Aquatic Vegetation (SAV) Mapping - learn about GIS mapping methods
• Internet Map Server - interact with GIS map images via the internet
• Habitat Tours - in-depth information about specific habitat features