Information, Help, and How To
Informational Pages
- CT Digital Aerial Datasets
- CT Historic Aerial Photography
- CT Lidar (Elevation)
- CT Land Cover
- CT Parcels
- CT Impervious Surface
- Coordinate Systems and Spatial Reference
- Watersheds
- Glossary of Acronyms
Help Pages
Viewer Help
- 3D Lidar Point Viewer Help
- Aerial Imagery Viewer Help
- Advanced Viewer Help
- Aquaculture Mapping Atlas User’s Guide
- Coastal Hazards Viewer Help
- CT Parcels Viewer Help
- CT Wildland-Urban Interface/Intermix Viewer Help
- Elevation Viewer Help
- Land Cover Viewer Help
- Land Cover (Changing Landscape NLCD) Viewer Help
- Long Island Sound Blue Plan Viewer Help
- Sea Level Rise Effects on Roads & Large Marshes Viewer Help
Other Help
- Under the Hood of Serving Lidar-based DEMs
- CT ECO Download Tool help is located with the app
How-To Instructional Pages
- Connect to Map and Image Services in ArcGIS Online
- Connect to Map and Image Services in ArcGIS Pro
- Download Managers
- Raster Functions: Accessing and Applying for Elevation
- Connect to Map and Image Services in ArcGIS
Data Layer Specific Information
- 1934 Aerial Photography
- 3D Lidar Point Viewer Layers Explained
- Coastal Hazard Viewer Layers Explained
- Elevation Explained
- Long Island Sound Blue Plan Viewer Layers Explained
- National Wetlands Inventory (NWI) Explained
- Sea Level Rise Effects on Roads & Large Marshes Layers Explained
- Watershed Layers Explained
Frequently Asked Questions (FAQs)
Data and Resource Guides
Data Guides provide basic information about the data on CT ECO including description, purpose, use limitations, date and links to related information.
Resource Guides thoroughly describe the resources being mapped and include more information than the related Data Guides.