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  1. Title: Census Designated Places, Sacramento County, California, 2010

    Contributors:

    Summary: SACOG Region : Sacramento County in California.The TIGER/Line Files are shapefiles and related database files (.dbf) that are an extract of selected geographic and cartographic information from the U.S. Census Bureau's Master Address File / Topologically Integrated Geographic Encoding and Referencing (MAF/TIGER) Database (MTDB). The MTDB represents a seamless national file with no overlaps or gaps between parts, however, each TIGER/Line File is designed to stand alone as an independent data set, or they can be combined to cover the entire nation. Census Blocks are statistical areas bounded on all sides by visible features, such as streets, roads, streams, and railroad tracks, and/or by nonvisible boundaries such as city, town, township, and county limits, and short line-of-sight extensions of streets and roads. Census blocks are relatively small in area; for example, a block in a city bounded by streets. However, census blocks in remote areas are often large and irregular and may even be many square miles in area. A common misunderstanding is that data users think census blocks are used geographically to build all other census geographic areas, rather all other census geographic areas are updated and then used as the primary constraints, along with roads and water features, to delineate the tabulation blocks. As a result, all 2010 Census blocks nest within every other 2010 Census geographic area, so that Census Bureau statistical data can be tabulated at the block level and aggregated up to the appropriate geographic areas. Census blocks cover all territory in the United States, Puerto Rico, and the Island Areas (American Samoa, Guam, the Commonwealth of the Northern Mariana Islands, and the U.S. Virgin Islands). Blocks are the smallest geographic areas for which the Census Bureau publishes data from the decennial census. A block may consist of one or more faces. Census designated places (CDPs) are an upward aggregation of Blocks. CDPs are closely settled, named, unincorporated communities that generally contain a mixture of residential, commercial, and retail areas similar to those found in incorporated places of similar sizes.

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  2. Title: Roads, Solano County, California, 2008

    Contributors:

    Summary: The TIGER/Line Shapefiles are an extract of selected geographic and cartographic information from the Census MAF/TIGER database. The Census MAF/TIGER database represents a seamless national file with no overlaps or gaps between parts. However, each TIGER/Line Shapefile is designed to stand alone as an independent data set or the shapefiles can be combined to cover the whole nation.

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  3. Title: Bay Area Counties

    Contributors:

    Summary: Bay Area Counties.

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  4. Title: Water Bodies, Marin County, California, 2002

    Contributors:

    Summary: Waterbodies (lakes, lagoons, ponds etc) from TIGER files for Marin County, California

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  5. Title: Massachusetts Iowa basic Skills Test Scores

    Contributors:

    Summary: This datalayer displays a polygon coverage for Massachusetts towns with associated attribute data on the average scores on the 'Iowa Test of Basic Skills' (ITBS) for children attending schools in towns includes inthe MAPC Region. The ITBS is a series of general achievement tests for grades three through eight. Along with others, such as the Comprehensive Tests of Basic Skills and the Stanford Achievement Test Series, they are designed to measure how well a student has learned the basic knowledge and skills that are taught in elementary and middle schools, in such areas as reading and mathematics This dataset was originally prepared and distributed by the Metropolitan Area Planning Council (MAPC). 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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  6. Title: Massachusetts School Enrollment by Race

    Contributors:

    Summary: This datalayer displays a polygon coverage of Massachusetts towns with associated tabular data on the racial/ethnic characteristics of enrolled students per town. These data provide the public school 1990 and 1994 enrollment figures by race for the 351 towns in the state. The number of White non-Hispanic, Black (African American), Hispanic, Asian, and other minority students are given. The total number of minority students and the percent of minority students during the 1990 and 1994 school years have also been calculated. 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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  7. Title: Massachusetts Major Rivers Water Quality

    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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  8. Title: Massachusetts Median Home Sales Price, 1994-1995

    Contributors:

    Summary: This datalayer displays a polygon coverage of Massachusetts town boundaries with associated attribute data on median home sales price changes for the years 1994 and 1995 for all towns except Buckland, Gosnold, Monroe, and Nantucket. These data exclude all condominium sales. Recovery in home sale prices since the last recession has been dramatically uneven among communities in the region. Prices have increased in high priced areas, while prices are still below their 1990 levels in low priced areas. 'Trade-up' homeowners from the large generation of baby-boomers are driving prices higher in more expensive communities, while demand continues to lag in the lower cost communities. This price differential may decline as the much smaller post-baby-boomer generation enters its prime home-buying years. Average home sale price for towns in the Metropolitan Area Planning Council region are provided for 1994 and 1995. 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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  9. Title: Massachusetts Sewered Serviced Areas

    Contributors:

    Summary: This datalayer displays town boundaries and sewered serviced areas within the MAPC region of Massachusetts. Data was compiled from individual sewer maps dated ca. 1989. Any area greater than .25 miles from an existing sewer line was not included in the serviced areas. Serviced areas are divided into 'single service' areas which rely on a single local sewer system or 'multiple service' areas which share sewers with adjacent or regional sewer systems This dataset was originally prepared and distributed by the Metropolitan Area Planning Council (MAPC). 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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  10. Title: Massachusetts Town Population, 1765 - 1990

    Contributors:

    Summary: This datalayer is a polygon coverage which will display Massachusetts towns and associated historical population data. Total population per town is given in 10-year increments for the time period, 1765 - 1970. 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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  11. Title: Massachusetts Telecommunications Businesses, 1995

    Contributors:

    Summary: This datalayer displays a point coverage representing telecommunications businesses throughout Massachusetts. Business types contained here include: Communications Equipment (SIC Code 366) Establishments primarily engaged in manufacturing wire telephone and telegraph equipment, radio and television broadcasting and communications equipment, and other miscellaneous types of communications equipment. Search, Detection, Navigation, Guidance, Aeronautical, and Nautical (SIC Code 381): Establishments primarily engaged in manufacturing search, detection, navigation, guidance, aeronautical, and nautical systems and instruments. Important products of this industry are radar systems and equipment; sonar systems and equipment; navigation systems and equipment; countermeasures equipment; aircraft and missile control systems and equipment; flight and navigation sensors, transmitters, and displays. Telephone Communications (SIC Code 481): Establishments primarily engaged in providing two-way radiotelephone communications services, such as cellular telephone services. Cable and Other Pay Television Services (SIC Code 484): Establishments primarily engaged in the dissemination of visual and textual television programs, on a subscription or fee basis. Communications Services, Not Elsewhere Classified (SIC Code 489): Establishments primarily engaged in furnishing communications services, not elsewhere classified such as: Radar station operation; Satellite earth stations; Satellite or missile tracking stations, etc. Internet, personal communications services and cellular use is proliferating, while older methods of accessing information, such as the telephone and cable TV, are blending with the new. Statewide employment in the telecommunications industry grew by an astounding 71 percent between 1993 and 1997. Rapid increase in telecommunications equipment and services spending will likely lead to further economic growth, especially for the Boston region This dataset was originally prepared by the Center for Labor Market Studies, Northeastern University and distributed by the Metropolitan Area Planning Council in 1996. 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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  12. Title: Massachusetts Births by Race, 1990-1993

    Contributors:

    Summary: This datalayer is a polygon coverage for births in Massachusetts between 1990-1993. This file provides the total number of births, number of White births, non-Hispanic births, African American births, Hispanic births, and Asian births. These statistics were originally compiled and published by the Massachusetts Department of Public Health: Division of Research and Epidemiology. 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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  13. Title: Massachusetts Class A Office Space Statistics

    Contributors:

    Summary: This datalayer displays a polygon coverage of Massachusetts towns with associated data on Class A office space including size and availability. This dataset was originally prepared by the Whittier Partners Group and CB Richard Ellis (now called CB Richard Ellis-New England) which is the largest full-service commercial real estate services company in New England; the data was originally distributed by the Metropolitan Area Planning Council. It was published as part of the Massachusetts Electronic Atlas database in 2001. The Urban Land Institute, a noted authority on commercial land use, describes the classification of office space as follows in its Office Development Handbook. 'Class A space can be characterized as buildings that have excellent location and access, attract high quality tenants, and are managed professionally. Building materials are high quality and rents are competitive with other new buildings. Class B buildings have good locations, management, and construction, and tenant standards are high. Buildings should have very little functional obsolescence and deterioration. Class C buildings are typically 15 to 25 years old but are maintaining steady occupancy. Tenants filter from Class B to Class A and from Class C to Class B. In a normal market, Class A rents are higher than Class B which are above Class C. This makes sense because Class A buildings offer higher quality to the tenants and cost more to provide.' 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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  14. Title: Massachusetts Shopping Malls, 1996

    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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  15. Title: Massachusetts Beach Locations

    Contributors:

    Summary: This datalayer is a point coverage of named beaches along the coast of Massachusetts including those which extend into Connecticut and Maine. 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 BEACHES is defined as 'the sloping shore that lies along a body of water and that is washed by waves or tides and usually covered by sand or gravel'. The vast majority of points in this layer occur along coastal beaches, and there are only a few which are located along lakes or ponds.

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  16. Title: Massachusetts Unemployment Rates by Town

    Contributors:

    Summary: This datalayer displays a polygon coverage of Massachusetts towns and associated unemployment statistics for the year 1994. These data are estimates not actual job counts. This dataset was originally prepared by the Massachusetts Division of Employment and Training, 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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  17. Title: Massachusetts Industrial and Research Parks

    Contributors:

    Summary: This datalayer shows the locations of industrial and research parks throughout Massachusetts as of 1996. These parks were identified via a mailing to all regional and local chambers of commerce and regional planning associations. Only parks responding to the mailing are shown so this file represents only a selective sample of all industrial and research parks in the state. Parks that responded to the mailing were primarily parks that were less than complete in their development potential. More information about the individual park such as its building history, amenities, transportation and utility information can be obtained from the Massachusetts Alliance for Economic Development or from the National Association of Industrial and Office Properties, Massachusetts Chapter (NIAOP). The Massachusetts Alliance for Economic Development is a private, non-profit partnership of business, industry leaders, and government dedicated to the economic growth of Massachusetts. This dataset was originally prepared and 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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  18. Title: Massachusetts Population, 1980-2000

    Contributors:

    Summary: This datalayer is a polygon coverage which will display Massachusetts towns with associated data on population changes from 1980 through 2000. 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. 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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  19. Title: Massachusetts Median Home Sales Price

    Contributors:

    Summary: This datalayer displays a polygon coverage of Massachusetts town boundaries with associated attribute data on median home sales price changes for the years 1990 and 1996. Recovery in home sale prices since the last recession has been dramatically uneven among communities in the region. Prices have increased in high priced areas, while prices are still below their 1990 levels in low priced areas. 'Trade-up' homeowners from the large generation of baby-boomers are driving prices higher in more expensive communities, while demand continues to lag in the lower cost communities. This price differential may decline as the much smaller post-baby-boomer generation enters its prime home-buying years. Average home sale price for towns in the Metropolitan Area Planning Council region are provided for 1996 and are divided into five categories between $92,000 and $470,000. The file also includes data about the percent change in home sale price from 1990-96 in the MAPC region, with five descriptive catgories ranging from -32% to 50%. 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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  20. Title: Massachusetts Grade 9-12 Enrollment

    Contributors:

    Summary: This datalayer displays Massachusetts town boundaries with associated tabular data on school enrollment. This layer displays annual public school enrollment totals from 1980-1994, as of Jan. 1 of each year for Grades 9-12. School-attending children include all residents attending any public school whether the schools are in their town of residence or not. This dataset was originally prepared and distributed by the Metropolitan Area Planning Council based on statistics produced by the Massachusetts Department of Education. 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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