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Title: Massachusetts Shopping Malls, 1995
- Point data
- 2001
Contributors:
Summary: This datalayer displays a point coverage displaying shopping centers and malls located in Massachusetts as of 1995. This data was originally prepared and distributed by Richard Gelpke of UMASS-BOSTON, based on data from the National Research Bureau Shopping Center Directory. It was published as part of the Massachusetts Electronic Atlas database in 2001. The Massachusetts Electronic Atlas (MEA) was a collaborative project to provides access, via the Internet, to data about the Commonwealth, its thirteen regional planning agency districts and 351 cities and towns. This dataset is now only available via The Harvard Geospatial Library.

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Title: Massachusetts Commuter Rail Stations Status
- Point data
- 2001
Contributors:
Summary: This datalayer is a point coverage which displays the status of Commuter Rail Stations throughout the Metropolitan Area Planning Council region of Massachusetts. This file describes the status of commuter rail stations (existing, proposed, or under construction) in the MAPC Plan for Massachusetts published in 1997. Included are new extensions under construction on the north shore, to Worcester and the recently opened and proposed lines of the Old Colony Line on the south shore. This layer was derived from the Massachusetts Electronic Atlas database published by the Harvard Map Collection in 2001. The Massachusetts Electronic Atlas (MEA) was a collaborative project to provides access, via the Internet, to data about the Commonwealth, its thirteen regional planning agency districts and 351 cities and towns. This dataset is now only available via The Harvard Geospatial Library.

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Title: Massachusetts Estimated State Aid to Municipalities, 2003
- Polygon data
- 2001
Contributors:
Summary: This datalayer is a polygon coverage for Massachusetts towns which will display town boundaries and estimated state aid for the forthcoming Fiscal Year. The attribute data in this layer was derived from the Commonwealth of Massachusetts Department of Revenue, Division of Local Services, Municipal Data Bank/ Local Aid Section 'Cherry Sheet' reports for each respective fiscal year. Named for the cherry colored paper on which it was originally printed, the Cherry Sheet is the official notification by the Commissioner of Revenue to municipalities and regional school districts of estimated state aid to be paid and charges to be assessed over the next fiscal year. Cherry Sheets are usually issued each spring, following enactment by the Legislature of the state budget for the following year. This layer was derived from the Massachusetts Electronic Atlas database published by the Harvard Map Collection in 2001. For more information on the definitions, data sources and process steps please read the 'Supplemental Information' and 'Data Quality' sections which follow. The Massachusetts Electronic Atlas (MEA) was a collaborative project to provides access, via the Internet, to data about the Commonwealth, its thirteen regional planning agency districts and 351 cities and towns. This dataset is now only available via The Harvard Geospatial Library.

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Title: Massachusetts Hospitals
- Point data
- 2001
Contributors:
Summary: This datalayer is a point coverage displaying hospital names and address locations throughout Massachusetts. The user is cautioned to consider that since this datalayer was assembled (1994-1995) many mergers and facility closings have ocurred in the state and therefore some of the data here may not be accurate. The data was assembled using information from the following sources: Massachusetts Hospital Association, American Hospital Association, Federation of American Health Systems, and the Massachusetts Health Data Consortium. For more information on this layer please read the 'Attribute Accuracy Statement' (under Data Quality) section. This layer was derived from the Massachusetts Electronic Atlas database published by the Harvard Map Collection in 2001. The Massachusetts Electronic Atlas (MEA) was a collaborative project to provides access, via the Internet, to data about the Commonwealth, its thirteen regional planning agency districts and 351 cities and towns. This dataset is now only available via The Harvard Geospatial Library.

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Title: Massachusetts Building Permits
- Polygon data
- 2001
Contributors:
Summary: This datalayer is a polygon coverage of town outlines and building permit data for Massachusetts. This layer was derived from the Massachusetts Electronic Atlas database published by the Harvard Map Collection in 2001. The Massachusetts Electronic Atlas (MEA) was a collaborative project to provides access, via the Internet, to data about the Commonwealth, its thirteen regional planning agency districts and 351 cities and towns. This dataset is now only available via The Harvard Geospatial Library.

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Title: Massachusetts House Legislative Districts
- Polygon data
- 2001
Contributors:
Summary: This datalayer is a polygon coverage for Massachusetts displaying the House Legislative District boundaries as defined by Chapter 273 of the Acts of 1993. This layer was derived from the Massachusetts Electronic Atlas database published by the Harvard Map Collection in 2001. The Massachusetts Electronic Atlas (MEA) was a collaborative project to provides access, via the Internet, to data about the Commonwealth, its thirteen regional planning agency districts and 351 cities and towns. This dataset is now only available via The Harvard Geospatial Library.

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Title: Massachusetts Crime Statistics by Town
- Polygon data
- 2001
Contributors:
Summary: This datalayer is a polygon coverage of Massachusetts towns with associated tabular data on crime statistics per town between 1980 and 1995. This file contains town-level data on the number of specific crimes reported (CR) in 1980, 1985, 1990, and 1995 and the number of crimes cleared by arrest (CL). These crime summary data were reported to the Massachusetts State Police from Massachusetts cities and towns, campus police departments, and other reporting agencies. Not all towns in the Commonwealth report their crime statistics. Crime rates per 1,000 town residents were determined for 1990 and 1995 using 1990 town population figures. Crime rates per 1,000 town residents were determined for 1985 and 1980 using 1980 town population figures. This layer was derived from the Massachusetts Electronic Atlas database published by the Harvard Map Collection in 2001. For more information on this layer please read the 'Supplemental Information' section which follows. The Massachusetts Electronic Atlas (MEA) was a collaborative project to provides access, via the Internet, to data about the Commonwealth, its thirteen regional planning agency districts and 351 cities and towns. This dataset is now only available via The Harvard Geospatial Library.

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Title: Massachusetts Tax Rates, 1993
- Polygon data
- 2001
Contributors:
Summary: This datalayer is a polygon coverage for Massachusetts which will display town boundaries and tax rate statistics for Fiscal Year 1993. Tax rates for commercial, residential, industrial and other property types will be found in the attribute table. This layer was derived from the Massachusetts Electronic Atlas database published by the Harvard Map Collection in 2001. For more information on the definitions, data sources and process steps please read the 'Supplemental Information' and 'Data Quality' sections which follow. The Massachusetts Electronic Atlas (MEA) was a collaborative project to provides access, via the Internet, to data about the Commonwealth, its thirteen regional planning agency districts and 351 cities and towns. This dataset is now only available via The Harvard Geospatial Library.

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Title: Massachusetts Tax Rates, 1994
- Polygon data
- 2001
Contributors:
Summary: This datalayer is a polygon coverage for Massachusetts which will display town boundaries and tax rate statistics for Fiscal Year 1994. Tax rates for commercial, residential, industrial and other property types will be found in the attribute table. This layer was derived from the Massachusetts Electronic Atlas database published by the Harvard Map Collection in 2001. For more information on the definitions, data sources and process steps please read the 'Supplemental Information' and 'Data Quality' sections which follow. The Massachusetts Electronic Atlas (MEA) was a collaborative project to provides access, via the Internet, to data about the Commonwealth, its thirteen regional planning agency districts and 351 cities and towns. This dataset is now only available via The Harvard Geospatial Library.

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Title: Massachusetts Drainage Sub-Basins
- Polygon data
- 2001
Contributors:
Summary: This datalayer is a polygon coverage displaying Major Drainage Sub-Basins throughout Massachusetts. The data here were originally produced by MassGIS. MassGIS produced a statewide digital datalayer of the approximately 2300 sub-basins as defined and used by the USGS Water Resources Division and the Mass Water Resources Commission and as modified by Executive Office of Environmental Affairs (EOEA) agencies. Cape Cod and the Islands do not have much lateral 'surface' drainage because the soils are so porous. The sub-basin line shown for Cape Cod is the approximate groundwater divide between Cape Cod Bay, Vineyard Sound, and the Atlantic Ocean, taken from sub-surface groundwater contours. The state coastline and boundaries are included in the sub-basin coverages and are differentiated by arc attributes. This layer was derived from the Massachusetts Electronic Atlas (MEA) which was a collaborative project to provides access, via the Internet, to data about the Commonwealth, its thirteen regional planning agency districts and 351 cities and towns. This dataset is now only available via The Harvard Geospatial Library. For more information on the original MassGIS datalayer please consult their website at: http://www.state.ma.us/mgis/subbas.htm

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Title: Massachusetts Crime Statistics, 1990-1999
- Polygon data
- 2001
Contributors:
Summary: This datalayer is a polygon coverage representing Massachusetts towns with associated tabular data on aggregate crime statistics per town for each year between 1990 and 1999. These crime summary data were reported to the Massachusetts State Police from Massachusetts cities and towns, campus police departments, and other reporting agencies. Not all towns in the Commonwealth report their crime statistics. This layer was derived from the Massachusetts Electronic Atlas database published by the Harvard Map Collection in 2001. For more information on this layer please read the 'Supplemental Information' section which follows. The Massachusetts Electronic Atlas (MEA) was a collaborative project to provides access, via the Internet, to data about the Commonwealth, its thirteen regional planning agency districts and 351 cities and towns. This dataset is now only available via The Harvard Geospatial Library.

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Title: Massachusetts Crime Statistics, 1980-1989
- Polygon data
- 2001
Contributors:
Summary: This datalayer is a polygon coverage representing Massachusetts towns with associated tabular data on aggregate crime statistics per town for each year between 1980 and 1989. These crime summary data were reported to the Massachusetts State Police from Massachusetts cities and towns, campus police departments, and other reporting agencies. Not all towns in the Commonwealth report their crime statistics. This layer was derived from the Massachusetts Electronic Atlas database published by the Harvard Map Collection in 2001. For more information on this layer please read the 'Supplemental Information' section which follows. The Massachusetts Electronic Atlas (MEA) was a collaborative project to provides access, via the Internet, to data about the Commonwealth, its thirteen regional planning agency districts and 351 cities and towns. This dataset is now only available via The Harvard Geospatial Library.

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Title: Massachusetts Major Rivers and Streams
- Line data
- 2001
Contributors:
Summary: This datalayer is a polyline coverage displaying major streams and rivers throughout Massachusetts. This layer was derived from the Massachusetts Electronic Atlas (MEA) which was a collaborative project to provides access, via the Internet, to data about the Commonwealth, its thirteen regional planning agency districts and 351 cities and towns. This dataset is now only available via The Harvard Geospatial Library. The data here were originally produced by MassGIS. More information on their original datalayer may be found at: http://www.state.ma.us/mgis/hd100_.htm

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Title: Massachusetts Underground Storage Tanks, 1997
- Point data
- 2001
Contributors:
Summary: This datalayer is a point coverage displaying Underground Storage Tank Locations throughout Massachusetts. These tanks may store some of the following substances: chemical, diesel, fuel oil, gas(eous), gasoline, glycol, hazardous, kerosene, lubricant, mixture, solid, water. The Underground Storage Tank Locations datalayer (UST) was compiled by the U.S. Environmental Protection Agency through a contract with Camp, Dresser and McKee Federal Systems, Inc. Tabular information on tank sites was obtained from the Massachusetts Department of Public Safety's Division of Fire Protection Tanks database. NOTE: Funding restrictions prevented all sites from being cataloged and included in the original MAssGIS datalayer. The data here were originally produced by MassGIS, then used to creat a layer for the Massachusetts Electronic Atllas (MEA). This layer was then derived from the Massachusetts Electronic Atlas (MEA) which was a collaborative project to provides access, via the Internet, to data about the Commonwealth, its thirteen regional planning agency districts and 351 cities and towns. This dataset is now only available via The Harvard Geospatial Library. For more information on the original MassGIS datalayer please consult their website at: http://www.state.ma.us/mgis/ust.htm

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Title: Massachusetts Summits, 1996
- Point data
- 2001
Contributors:
Summary: This datalayer is a point coverage displaying location and additional information on summits throughout Massachusetts. This layer was derived from the Massachusetts Electronic Atlas (MEA) which was a collaborative project to provides access, via the Internet, to data about the Commonwealth, its thirteen regional planning agency districts and 351 cities and towns. This dataset is now only available via The Harvard Geospatial Library. These data are an extract from the U.S. Geological Survey Geographic Names Information System December 1996 CD-ROM. The GNIS is a data system developed by the USGS in cooperation with the U.S. Board on Geographic Names. The GNIS includes three databases: the National Geographic Names Data Base (NGNDB), the National Topographic Map Names Data Base (NTMNDB) and the Reference Data Base. The principal database in the GNIS is the National Geographic Names Data Base (NGMNDB) which includes known places, features, and areas of the United States that are identified by proper names. The primary source of these data are the USGS topographic map series. The GNIS feature class of SUMMIT is defined as 'prominent elevation rising above the surrounding level of the Earth's surface (it does not include ridges and ranges)'.

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Title: Massachusetts Major Rivers Water Quality
- Line data
- 2001
Contributors:
Summary: This datalayer displays a polyline coverage of major rivers in Massachusetts with associated tabular data on water quality. This dataset was originally produced by the Massachusetts Department of Environmental Protection, Division of Water Pollution Control based on their documentation ('Summary of Water Quality 1992: Appendix I - Basin/Segment Information.') This dataset was then distributed by the Metropolitan Area Planning Council. It was published as part of the Massachusetts Electronic Atlas database in 2001. The Massachusetts Electronic Atlas (MEA) was a collaborative project to provides access, via the Internet, to data about the Commonwealth, its thirteen regional planning agency districts and 351 cities and towns. This dataset is now only available via The Harvard Geospatial Library. The Metropolitan Area Planning Council (MAPC) is a regional planning agency representing 101 cities and towns in the metropolitan Boston area. Created by an act of the Legislature in 1963, it serves as a forum for state and local officials to address issues of regional importance. As one of 14 members of the Metropolitan Planning Organization (MPO), MAPC has oversight responsibility for the region's federally funded transportation program Stretching west from Boston to include most of the communities inside the I-495 corridor, the MAPC planning area consists of 22 cities and 79 towns. Coastal communities, older industrial centers, rural towns, and modern cities are represented within the 1,422 square miles that comprise the MAPC region.

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Title: Massachusetts Employment 1990 and 1994
- Polygon data
- 2001
Contributors:
Summary: This datalayer displays a polygon coverage for Massachusetts towns with associated data on change in employment between 1990 and 1994. This dataset was originally prepared and distributed by the Metropolitan Area Planning Council. It was published as part of the Massachusetts Electronic Atlas database in 2001. The Massachusetts Electronic Atlas (MEA) was a collaborative project to provides access, via the Internet, to data about the Commonwealth, its thirteen regional planning agency districts and 351 cities and towns. This dataset is now only available via The Harvard Geospatial Library. The Metropolitan Area Planning Council (MAPC) is a regional planning agency representing 101 cities and towns in the metropolitan Boston area. Created by an act of the Legislature in 1963, it serves as a forum for state and local officials to address issues of regional importance. As one of 14 members of the Metropolitan Planning Organization (MPO), MAPC has oversight responsibility for the region's federally funded transportation program Stretching west from Boston to include most of the communities inside the I-495 corridor, the MAPC planning area consists of 22 cities and 79 towns. Coastal communities, older industrial centers, rural towns, and modern cities are represented within the 1,422 square miles that comprise the MAPC region.

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Title: Massachusetts Dams
- Point data
- 2001
Contributors:
Summary: This datalayer is a point coverage displaying location and additional information on dams throughout Massachusetts. This layer was derived from the Massachusetts Electronic Atlas (MEA) which was a collaborative project to provides access, via the Internet, to data about the Commonwealth, its thirteen regional planning agency districts and 351 cities and towns. This dataset is now only available via The Harvard Geospatial Library. These data are an extract from the U.S. Geological Survey Geographic Names Information System December 1996 CD-ROM. The GNIS is a data system developed by the USGS in cooperation with the U.S. Board on Geographic Names. The GNIS includes three databases: the National Geographic Names Data Base (NGNDB), the National Topographic Map Names Data Base (NTMNDB) and the Reference Data Base. The principal database in the GNIS is the National Geographic Names Data Base (NGMNDB) which includes known places, features, and areas of the United States that are identified by proper names. The primary source of these data are the USGS topographic map series. The GNIS feature class of DAM is defined as 'water barrier or embankment built across the course of a stream or into a body of water to impound water or control its flow'.

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Title: Massachusetts Boundary and Coastline
- Polygon data
- 2001
Contributors:
Summary: This datalayer is a polygon coverage for Massachusetts' state boundaries and coastlines. This layer was extracted from the MassGIS (Massachusetts Executive Office of Environmental Affairs, GIS department) database. This layer was derived from the Massachusetts Electronic Atlas database published by the Harvard Map Collection in 2001. The Massachusetts Electronic Atlas (MEA) was a collaborative project to provides access, via the Internet, to data about the Commonwealth, its thirteen regional planning agency districts and 351 cities and towns. This dataset is now only available via The Harvard Geospatial Library.

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Title: Massachusetts Estimated State Aid to Municipalities, 2002
- Polygon data
- 2001
Contributors:
Summary: This datalayer is a polygon coverage for Massachusetts towns which will display town boundaries and estimated state aid for the forthcoming Fiscal Year. The attribute data in this layer was derived from the Commonwealth of Massachusetts Department of Revenue, Division of Local Services, Municipal Data Bank/ Local Aid Section 'Cherry Sheet' reports for each respective fiscal year. Named for the cherry colored paper on which it was originally printed, the Cherry Sheet is the official notification by the Commissioner of Revenue to municipalities and regional school districts of estimated state aid to be paid and charges to be assessed over the next fiscal year. Cherry Sheets are usually issued each spring, following enactment by the Legislature of the state budget for the following year. This layer was derived from the Massachusetts Electronic Atlas database published by the Harvard Map Collection in 2001. For more information on the definitions, data sources and process steps please read the 'Supplemental Information' and 'Data Quality' sections which follow. The Massachusetts Electronic Atlas (MEA) was a collaborative project to provides access, via the Internet, to data about the Commonwealth, its thirteen regional planning agency districts and 351 cities and towns. This dataset is now only available via The Harvard Geospatial Library.

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