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1. Open Space, Cambridge, Massachusetts, 2014

Polygon Harvard University Public content
2014. Cambridge (Mass.). Geographic Information Systems. This polygon layer contains open space areas within the City of Cambridge. These areas include publicly accessible land that is intended for active... Cambridge (Mass.). Geographic Information Systems.

2. Wetlands, Cambridge, Massachusetts, 2010 (pub. 2014)

Polygon Harvard University Public content
2010. Cambridge (Mass.). Geographic Information Systems. This layer contains polygon features representing wetlands in Cambridge, Massachusetts, 2010. Cambridge (Mass.). Geographic Information Systems.

14. MassGIS 2003 Massachusetts NHESP BioMap Core Habitat (July 2001)

Polygon Harvard University Public content
2001. MassGIS (Office : Mass.). Core Habitat is one of two datalayers resulting from the BioMap biodiversity mapping project (also see the NHESP BioMap Supporting Natural Landscap... Office of Geographic and Environmental Information (MassGIS).

16. Global GIS : geologic provinces of the world

Polygon Harvard University Public content
2000. American Geological Institute. This shapefile includes arcs and polygons that describe U.S. Geological Survey defined geologic provinces of the World. Each province has a set o... American Geological Institute.

17. MassGIS 2000 Areas of Critical Environmental Concern (July 2000)

Polygon Harvard University Public content
2000. MassGIS (Office : Mass.). The Areas of Critical Environmental Concern (ACEC) datalayer shows the location of areas that have been designated ACECs by the Secretary of Enviro... Office of Geographic and Environmental Information (MassGIS).

23. Massachusetts Drainage Sub-Basins

Polygon Harvard University Public content
1997. Harvard Map Collection. This datalayer is a polygon coverage displaying Major Drainage Sub-Basins throughout Massachusetts. The data here were originally produced by MassG...
1997. Massachusetts. Dept. of Environmental Management. The datalayer contains the majority of the facilities currently regulated under DEP's solid waste regulations (310 CMR 16.00 19.00). The 579 poly... Office of Geographic and Environmental Information (MassGIS).

26. VMap1 Landmarks, Polygons

Polygon Harvard University Public content
1995. National Geospatial-Intelligence Agency. This datalayer is a polygon coverage representing parks located throughout current VMap1 geographic coverage areas. Features in this layer have an...