Description of how MassGIS Data is organized, and a general introduction of the broad categories the database - Base Map, Environmental, and Census. Includes details on the Massachusetts State Plane coordinate system and a brief overview on understanding map scale.
A complete list of all datalayers distributed by MassGIS, each with a link to each individual layer's complete description page. Organized into the following categories:
- Image Data
- Census/Demographic Data
- Coastal and Marine Features
- Cultural Resources
- Environmental Monitoring
- Physical Resources
- Political/Administrative Boundaries
- Regulated Areas
Names and descriptions of the vector and raster layers, tables, and views in MassGIS' Oracle-based ArcSDE geodatabase.