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Overview of MassGIS Data
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.
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MassGIS Datalayers
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
- Conservation/Recreation
- Cultural Resources
- Environmental Monitoring
- Indexes
- Infrastructure
- Physical Resources
- Political/Administrative Boundaries
- Regulated Areas
- Miscellaneous
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ArcSDE Layer Names and Descriptions of MassGIS Data
Names and descriptions of the vector and raster layers, tables, and views in MassGIS' Oracle-based ArcSDE geodatabase.