2010. Cambridge (Mass.). Geographic Information Systems. The National Flood Hazard Layer (NFHL) data incorporates all Digital Flood Insurance Rate Map(DFIRM) databases published by FEMA, and any Letters O... Cambridge (Mass.). Geographic Information Systems.
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1999. MassGIS (Office : Mass.). This datalayer shows statistics for lobsters harvested (by pounds) from 25 distinct statistical reporting areas covering a large portion of the Gul... Office of Geographic and Environmental Information (MassGIS).
2000. MassGIS (Office : Mass.). The Designated Shellfish Growing Area (DSGA) datalayer was compiled by the Department of Fisheries, Wildlife and Environmental Law Enforcement's (D... Office of Geographic and Environmental Information (MassGIS).
2003. MassGIS (Office : Mass.). The MassGIS 1:25,000 Hydrography datalayer represents hydrographic (water-related) features, including surface water (lakes, ponds, reservoirs), we... Office of Geographic and Environmental Information (MassGIS).
2003. MassGIS (Office : Mass.). This datalayer contains a polygon feature representing an ocean mask for the coast of Massachusetts and surrounding New England coastline. It was ... Office of Geographic and Environmental Information (MassGIS).
2003. MassGIS (Office : Mass.). This datalayer contains polygons representing Massachusetts Priority Natural Vegetation Communities : Coastal Natural Community Systems.
These sys... Office of Geographic and Environmental Information (MassGIS).
