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1. MassGIS 2003 Massachusetts bicycle trails (January 2003)

2003. MassGIS (Office : Mass.). This dataset, formerly named "Rail Trails," was created by the Massachusetts Department of Environmental Management for the purpose of regional pla... Office of Geographic and Environmental Information (MassGIS).

2. MassGIS 2003 Massachusetts Drainage Sub-basins (Arcs) (March 2003)

2003. MassGIS (Office : Mass.). This datalayers contains arcs representing Massachusetts drainage sub-basin boundaries (see also the Drainage Sub-basins (Polygons) datalayer). Ma... Office of Geographic and Environmental Information (MassGIS).

3. MassGIS 2003 Massachusetts Drainage Sub-basins (Polygons) (March 2003)

2003. MassGIS (Office : Mass.). This datalayers contains polygons representing Massachusetts drainage sub-basins (see also the Drainage Sub-basins (Arc) datalayer). MassGIS has p... Office of Geographic and Environmental Information (MassGIS).

4. MassGIS 2003 Massachusetts Geographic Place Names : Civic Features (March 2003)

2003. MassGIS (Office : Mass.). This point datalayer represents place names for civic features in the state of Massachusetts (March 2003), which may be used for map labels. The M... Office of Geographic and Environmental Information (MassGIS).

5. MassGIS 2003 Massachusetts Geographic Place Names : Hydrographic Features (March 2003)

2003. MassGIS (Office : Mass.). This point datalayer represents place names for hydrographic features in the state of Massachusetts (March 2003), which may be used for map labels.... Office of Geographic and Environmental Information (MassGIS).

6. MassGIS 2003 Massachusetts Geographic Place Names : Hypsographic Features (March 2003)

2003. MassGIS (Office : Mass.). This point datalayer represents place names for hypsographic features in the state of Massachusetts (March 2003), which may be used for map labels.... Office of Geographic and Environmental Information (MassGIS).

7. MassGIS 2003 Massachusetts Hydrography (1:25,000) (Arcs) (March 2003)

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).

8. MassGIS 2003 Massachusetts Hydrography (1:25,000) (Polygons) (March 2003)

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).

9. MassGIS 2003 Massachusetts Major Drainage Basins (Arcs) (March 2003)

2003. MassGIS (Office : Mass.). This datalayer, produced by MassGIS, contains polylines representing boundaries of the 28 major drainage basins of Massachusetts as defined by the ... Office of Geographic and Environmental Information (MassGIS).

10. MassGIS 2003 Massachusetts Major Drainage Basins (Polygons) (March 2003)

2003. MassGIS (Office : Mass.). This datalayer, produced by MassGIS, contains polygons representing the 28 major drainage basins of Massachusetts as defined by the USGS Water Reso... Office of Geographic and Environmental Information (MassGIS).

11. MassGIS 2003 Massachusetts National Wetlands Inventory (Arcs) (February 2003)

2003. MassGIS (Office : Mass.). This layer contains arcs representing rivers and streams for the state for Massachusetts. The National Wetlands Inventory (NWI) project, administe... Office of Geographic and Environmental Information (MassGIS).

12. MassGIS 2003 Massachusetts National Wetlands Inventory (Polygons) (February 2003)

2003. MassGIS (Office : Mass.). This layer contains polygon features representing various wetlands and deepwater habitats for the state for Massachusetts. The National Wetlands I... Office of Geographic and Environmental Information (MassGIS).

13. MassGIS 2003 Massachusetts Ocean Mask Around New England

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).

14. MassGIS 2003 Massachusetts Orthophoto Streams (1:5,000) (February 2003)

2003. MassGIS (Office : Mass.). This datalayer consists of arcs representing streams and rivers in the state of Massachusetts. It is one of two datalayers that comprise the MassG... Office of Geographic and Environmental Information (MassGIS).

15. MassGIS 2003 Massachusetts Orthophoto Wetlands (1:5,000) (February 2003)

2003. MassGIS (Office : Mass.). This datalayer consists of polygons representing wetlands (marshes, bogs, swamps, etc.) in the state of Massachusetts. It is one of two datalayers... Office of Geographic and Environmental Information (MassGIS).

16. MassGIS 2003 Massachusetts Priority Natural Vegetation Communities : Acidic Peatland Community Systems (April 2003)

2003. MassGIS (Office : Mass.). This datalayer contains polygons representing Massachusetts Priority Natural Vegetation Communities : Acidic Peatland Community Systems. The data ... Office of Geographic and Environmental Information (MassGIS).

17. MassGIS 2003 Massachusetts Priority Natural Vegetation Communities : Coastal Natural Community Systems (April 2003)

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).

18. MassGIS 2003 Massachusetts Priority Natural Vegetation Communities : Coastal Plain Pond Systems (April 2003)

2003. MassGIS (Office : Mass.). This datalayer contains polygons representing Massachusetts Priority Natural Vegetation Communities : Coastal Plain Pond Systems. The data covers ... Office of Geographic and Environmental Information (MassGIS).

19. MassGIS 2003 Massachusetts Priority Natural Vegetation Communities : Pine Barrens Natural Community Systems (April 2003)

2003. MassGIS (Office : Mass.). This datalayer contains polygons representing Massachusetts Priority Natural Vegetation Communities : Pine Barrens Community Systems. The data cov... Office of Geographic and Environmental Information (MassGIS).

20. MassGIS 2003 Massachusetts Priority Natural Vegetation Communities : Pine Barrens Natural Community Systems (UMass) (April 2003)

2003. MassGIS (Office : Mass.). This datalayer contains polygons representing Massachusetts Priority Natural Vegetation Communities : Pine Barrens Community Systems produced by th... Office of Geographic and Environmental Information (MassGIS).

21. MassGIS 2003 Massachusetts Priority Natural Vegetation Communities : Riverine Natural Community Systems (April 2003)

2003. MassGIS (Office : Mass.). This datalayer contains polygons representing Massachusetts Priority Natural Vegetation Communities : Riverine Natural Community Systems. The data... Office of Geographic and Environmental Information (MassGIS).

22. MassGIS 2003 Massachusetts Priority Natural Vegetation Communities : Sandplain Natural Community Systems (April 2003)

2003. MassGIS (Office : Mass.). This datalayer contains polygons representing Massachusetts Priority Natural Vegetation Communities : Sandplain Natural Community Systems. The dat... Office of Geographic and Environmental Information (MassGIS).

23. MassGIS 2003 Massachusetts Priority Natural Vegetation Communities : Upland Forest (April 2003)

2003. MassGIS (Office : Mass.). This datalayer contains polygons representing Massachusetts Priority Natural Vegetation Communities : Upland Forest. The data covers only a portio... Office of Geographic and Environmental Information (MassGIS).

24. MassGIS 2003 Massachusetts Protected and Recreational Open Space (Arcs) (March 2003)

2003. MassGIS (Office : Mass.). This protected and recreational open space datalayer contains polylines representing the boundaries of conservation lands and outdoor recreational ... Office of Geographic and Environmental Information (MassGIS).

25. MassGIS 2003 Massachusetts Protected and Recreational Open Space (Polygons) (March 2003)

2003. MassGIS (Office : Mass.). This protected and recreational open space datalayer contains polygons representing the boundaries of conservation lands and outdoor recreational f... Office of Geographic and Environmental Information (MassGIS).

26. MassGIS 2003 Massachusetts Protected and Recreational Open Space (Region Polygons) (March 2003)

2003. MassGIS (Office : Mass.). This protected and recreational open space datalayer contains polygon regions representing the boundaries of conservation lands and outdoor recreat... Office of Geographic and Environmental Information (MassGIS).

27. MassGIS 2003 Massachusetts Public Water Supplies (March 2003)

2003. MassGIS (Office : Mass.). The Public Water Supply (PWS) datalayer contains points representing the locations of Massachusetts public community surface and groundwater supply... Office of Geographic and Environmental Information (MassGIS).

28. MassGIS 2003 Massachusetts 1:5,000 Road and Rail Centerlines (October 2002)

2002. MassGIS (Office : Mass.). The linework in this layer - representing Massachusetts roadways and railroads - was produced as part of the 1:5,000 Black and White Digital Orthop... Office of Geographic and Environmental Information (MassGIS).

29. MassGIS 2003 Massachusetts Elevation Contours (1:5,000) (September 2002)

2002. MassGIS (Office : Mass.). The Elevation Contours (1:5,000) datalayer represents 3-meter contours created from Digital Terrain Model (DTM) data points collected during the pr... Office of Geographic and Environmental Information (MassGIS).

30. MassGIS 2003 Massachusetts Land Use (January 2002)

2002. MassGIS (Office : Mass.). The MassGIS Land Use datalayer has 37 land use classifications interpreted from 1:25,000 aerial photography. Coverage is complete statewide for 197... Office of Geographic and Environmental Information (MassGIS).

31. MassGIS 2003 Massachusetts MHD Highway Exit Locations (December 2002)

2002. MassGIS (Office : Mass.). This point datalayer represents major highway exit locations for the state of Massachusetts. It was produced by the Massachusetts Highway Departme... Office of Geographic and Environmental Information (MassGIS).

32. MassGIS 2003 Massachusetts MHD Major Roads (December 2002)

2002. MassGIS (Office : Mass.). This datalayer represents the "major roads" in the Commonwealth from the Massachusetts Highway Department (MHD) Roads datalayer. Four classes of r... Office of Geographic and Environmental Information (MassGIS).

33. MassGIS 2003 Massachusetts MHD Routemarker Locations (December 2002)

2002. MassGIS (Office : Mass.). This datalayer is a point coverage that may be used for plotting route shields that have the look of those on actual highway signs (i.e. red, white... Office of Geographic and Environmental Information (MassGIS).

34. MassGIS 2003 Massachusetts Prisons (September 2002)

2002. MassGIS (Office : Mass.). This point datalayer shows the location of 42 state and county correctional facilities in Massachusetts. The data was developed by the Massachusett... Office of Geographic and Environmental Information (MassGIS).

35. MassGIS 2003 Massachusetts Schools (May 2002)

2002. MassGIS (Office : Mass.). This datalayer shows the location of 1,898 public and 623 private schools, pre-school through high school, in Massachusetts. This data was develope... Office of Geographic and Environmental Information (MassGIS).

36. MassGIS 2003 Massachusetts Highway Department Roads (December 2002)

2001. MassGIS (Office : Mass.). This datalayer represents linework from the USGS 1:100,000 Roads Digital Line Graphs (DLGs) with additional linework from the Massachusetts Highwa... Office of Geographic and Environmental Information (MassGIS).

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

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).

38. MassGIS 2003 Massachusetts NHESP BioMap Supporting Natural Landscape (July 2001)

2001. MassGIS (Office : Mass.). Supporting Natural Landscape is one of two datalayers resulting from the BioMap biodiversity mapping project (also see the NHESP BioMap Core Habita... Office of Geographic and Environmental Information (MassGIS).

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

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).

40. MassGIS 2003 Massachusetts areas of critical environmental concern (July 2000)

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).

41. MassGIS 2003 Massachusetts DEP BWP major facilities (August 2000)

2000. MassGIS (Office : Mass.). The Massachusetts Department of Environmental Protection (DEP) major facilities datalayer is a statewide point dataset containing the location of a... Office of Geographic and Environmental Information (MassGIS).

42. MassGIS 2003 Massachusetts Designated Shellfish Growing Areas (Arcs) (October 2000)

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).

43. MassGIS 2003 Massachusetts Designated Shellfish Growing Areas (Polygons) (October 2000)

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).

44. MassGIS 2003 Massachusetts Hydrography (1:100,000) (Arcs) (August 2000)

2000. MassGIS (Office : Mass.). This datalayer contains arcs representing Massachusetts rivers and streams. MassGIS has adapted and modified the U.S. Geological Survey 1:100,000 ... Office of Geographic and Environmental Information (MassGIS).

45. MassGIS 2003 Massachusetts Hydrography (1:100,000) (Polygons) (August 2000)

2000. MassGIS (Office : Mass.). This datalayer contains polygons representing Massachusetts ponds, lakes, reservoirs, and rivers. MassGIS has adapted and modified the U.S. Geolog... Office of Geographic and Environmental Information (MassGIS).

46. MassGIS 2003 Massachusetts Major Watersheds (Arcs) (June 2000)

2000. MassGIS (Office : Mass.). This datalayer contains lines representing Massachusetts watershed boundaries (see also the Watersheds (Polygons) datalayer). MassGIS has produc... Office of Geographic and Environmental Information (MassGIS).

47. MassGIS 2003 Massachusetts Major Watersheds (Polygons) (June 2000)

2000. MassGIS (Office : Mass.). This datalayer contains polygons representing Massachusetts watersheds (see also the Watersheds (Arcs) datalayer). MassGIS has produced a statew... Office of Geographic and Environmental Information (MassGIS).

48. MassGIS 2003 Massachusetts NHESP Potential Vernal Pools (December 2000)

2000. MassGIS (Office : Mass.). This datalayer identifies the locations of more than 29,000 potential, unverified, vernal pool habitats. Vernal pools are small, shallow ponds char... Office of Geographic and Environmental Information (MassGIS).

49. MassGIS 2003 Massachusetts Salt Marsh Restoration Sites (October 2000)

2000. MassGIS (Office : Mass.). Massachusetts Coastal Zone Management (MCZM), within the Executive Office of Environmental Affairs (EOEA), has compiled a salt marsh restoration GI... Office of Geographic and Environmental Information (MassGIS).

50. MassGIS 2003 Massachusetts Soil Spot Features (Arcs) (December 2000)

2000. MassGIS (Office : Mass.). This datalayer is a companion layer to the Soils (Polygons) datalayer and contains arcs representing "special" or "ad hoc" line features such as be... Office of Geographic and Environmental Information (MassGIS).