- Atlas Data Portal: Provides Louisiana GIS data layers, Imagery, LiDAR and more.
- GIS Inventory: A tool for Louisiana and its partners to track data availability.
- LAGIC-Louisiana Geographic Information Center: State GIS data repository.
- LAGIC Metadata Catalog: State GIS data repository.
- LGISC-Louisiana Geographic Information Systems Council: Facilitates data development among state, federal, and local governments.
- LDEQ: Louisiana Department of Environmental Quality.
- Louisiana DOTD: ArcGIS Online Official Homepage for LA DOTD.
- Louisiana GOHSEP Map Poral: Govenor’s Office of homeland Security and Emergency Preparedness
- Louisiana State Data: Download Louisiana demographic census data.
- NLCOG GIS Site: North Louisiana Council of Governments Site.
Map Reference Data Resources
This section lists various Map Reference Systems that are typically in use within Louisiana.
- National / Global Reference Systems
Global Area Reference System (GARS) – National Geospatial-Intelligence Agency (NGA). - Download US National Grid (USNG) Zones
- USNG For ArcGIS Users: How-To Instruction & Information.
- USNG Information – FGDC Information.
- Coordinate Systems
USGS Coordinate Systems & Map Projections
