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879 harvests found

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  • International Boundary Between United States and Mexico Approved in 2009 by...

    This dataset was created to provide resource managers, public officials, researchers, and the general public with ready access to the location of the international boundary for use to develop binational datasets that depict various land use/land cover datasets including resource utilization, environmental quality, and human health.This provisional international boundary was developed by the International Boundary and Water Commission-United States and Mexico (IBWC), to be used as a common boundary for the clipping and geometric integration of binational geospatial data sets and represents the international boundary as agreed upon by the Governments of the United States and Mexico in accordance with the 1970 Boundary Treaty. It provides an electronic, spatially referenced representation of the international boundary that may be used for the purposes of displaying the boundary and to integrate binational datasets tied into the boundary line.This version of the International Boundary Line corresponds to the line shown on the 2008 International Boundary Maps that were approved in 2009 by Minute 315.

    — Organization: International Boundary & Water Commission

  • Charlotte City Data.json

    There is no description for this harvest source

    — Organization: City of Charlotte

  • ncdc

    There is no description for this harvest source

    — Organization: National Oceanic and Atmospheric Administration, Department of Commerce

  • 2019_tract

    The primary purpose of census tracts is to provide a stable set of geographic units for the presentation of census data and comparison back to previous decennial censuses. Census tracts generally have a population size between 1,200 and 8,000 people, with an optimum size of 4,000 people. When first delineated, census tracts were designed to be homogeneous with respect to population characteristics, economic status, and living conditions.

    — Organization: U.S. Census Bureau, Department of Commerce

  • 2017_cd115_500kml

    Congressional Districts are the 435 areas from which people are elected to the U.S. House of Representatives. After the apportionment of congressional seats among the states based on census population counts, each state is responsible for establishing congressional districts for the purpose of electing representatives. Each congressional district is to be as equal in population to all other congressional districts in a state as practicable.

    — Organization: U.S. Census Bureau, Department of Commerce

  • 2016_bg_500

    Block Groups (BGs) are clusters of blocks within the same census tract. Each census tract contains at least one BG, and BGs are uniquely numbered within census tracts. BGs have a valid code range of 0 through 9. BGs have the same first digit of their 4-digit census block number from the same decennial census. For example, tabulation blocks numbered 3001, 3002, 3003,.., 3999 within census tract 1210.02 are also within BG 3 within that census tract. BGs coded 0 are intended to only include water area, no land area, and they are generally in territorial seas, coastal water, and Great Lakes water areas. Block groups generally contain between 600 and 3,000 people. A BG usually covers a contiguous area but never crosses county or census tract boundaries. They may, however, cross the boundaries of other geographic entities like county subdivisions, places, urban areas, voting districts, congressional districts, and American Indian / Alaska Native / Native Hawaiian areas.

    — Organization: U.S. Census Bureau, Department of Commerce

  • Cartographic Boundary Files - 2020

    The 2020 Cartographic Boundary Files external metadata server location for harvesting.

    — Organization: U.S. Census Bureau, Department of Commerce

  • kml_aiannnh_500

    . The American Indian/Alaska Native/Native Hawaiian (AIANNH) Areas cartographic boundary file includes generalized versions of the following legal entities: federally recognized American Indian reservations and off-reservation trust land areas, state-recognized American Indian reservations, and Hawaiian home lands (HHLs). The statistical entities included are Alaska Native village statistical areas (ANVSAs), Oklahoma tribal statistical areas (OTSAs), tribal designated statistical areas (TDSAs), and state designated tribal statistical areas (SDTSAs). Joint use areas are also included in this shapefile refer to areas that are administered jointly and/or claimed by two or more American Indian tribes. The Census Bureau designates both legal and statistical joint use areas as unique geographic entities for the purpose of presenting statistical data. Note that tribal subdivisions and Alaska Native Regional Corporations (ANRCs) are additional types of American Indian/Alaska Native areas stored by the Census Bureau, but are displayed in separate files because of how they fall within the Census Bureau's geographic hierarchy.

    — Organization: U.S. Census Bureau, Department of Commerce

  • 2014_kml_cousub_500k

    County subdivisions are the primary divisions of counties and their equivalent entities for the reporting of Census Bureau data.

    — Organization: U.S. Census Bureau, Department of Commerce

  • 2016_aiannh_500

    The American Indian/Alaska Native/Native Hawaiian (AIANNH) Areas cartographic boundary file includes generalized versions of the following legal entities: federally recognized American Indian reservations and off-reservation trust land areas, state-recognized American Indian reservations, and Hawaiian home lands (HHLs). The statistical entities included are Alaska Native village statistical areas (ANVSAs), Oklahoma tribal statistical areas (OTSAs), tribal designated statistical areas (TDSAs), and state designated tribal statistical areas (SDTSAs). Joint use areas are also included in this shapefile refer to areas that are administered jointly and/or claimed by two or more American Indian tribes. The Census Bureau designates both legal and statistical joint use areas as unique geographic entities for the purpose of presenting statistical data. Note that tribal subdivisions and Alaska Native Regional Corporations (ANRCs) are additional types of American Indian/Alaska Native areas stored by the Census Bureau, but are displayed in separate files because of how they fall within the Census Bureau's geographic hierarchy.</gco:CharacterString>

    — Organization: U.S. Census Bureau, Department of Commerce

  • 2014_kml_division_20m

    Divisions are groupings of States within a census geographic region, established by the Census Bureau for the presentation of census data.

    — Organization: U.S. Census Bureau, Department of Commerce

  • 2017_areawater

    The Area Hydrography Shapefile contains the geometry and attributes of both perennial and intermittent area hydrography features, including ponds, lakes, oceans, swamps (up to the U.S. nautical three-mile limit), glaciers, and the area covered by large rivers, streams, and/or canals that are represented as double-line drainage

    — Organization: U.S. Census Bureau, Department of Commerce

  • 2014_cbsa_20m

    Metropolitan and Micropolitan Statistical Areas are together termed Core Based Statistical Areas (CBSAs) and are defined by the Office of Management and Budget (OMB) and consist of the county or counties or equivalent entities associated with at least one urban core (urbanized area or urban cluster) of at least 10,000 population, plus adjacent counties having a high degree of social and economic integration with the core as measured through commuting ties with the counties containing the core. Categories of CBSAs are: Metropolitan Statistical Areas, based on urbanized areas of 50,000 or more population; and Micropolitan Statistical Areas, based on urban clusters of at least 10,000 population but less than 50,000 population. The CBSAs boundaries are those defined by OMB based on the 2010 Census and published in 2013.

    — Organization: U.S. Census Bureau, Department of Commerce

  • 2016_kml_cousub_500

    County subdivisions are the primary divisions of counties and their equivalent entities for the reporting of Census Bureau data. They include legally-recognized minor civil divisions (MCDs) and statistical census county divisions (CCDs), and unorganized territories. For the 2010 Census, the MCDs are the primary governmental and/or administrative divisions of counties in 29 States and Puerto Rico; Tennessee changed from having CCDs for Census 2000 to having MCDs for the 2010 Census. In MCD States where no MCD exists or is not defined, the Census Bureau creates statistical unorganized territories to complete coverage. The entire area of the United States, Puerto Rico, and the Island Areas is covered by county subdivisions. The boundaries of most legal MCDs are as of January 1, 2013, as reported through the Census Bureau's Boundary and Annexation Survey (BAS).

    — Organization: U.S. Census Bureau, Department of Commerce

  • 2019cd_bg

    he 2019 cartographic boundary shapefiles are simplified representations of selected geographic areas from the U.S. Census Bureau's Master Address File / Topologically Integrated Geographic Encoding and Referencing (MAF/TIGER) Database (MTDB). These boundary files are specifically designed for small-scale thematic mapping.

    — Organization: U.S. Census Bureau, Department of Commerce

  • 2019 PUMA10

    After each decennial census, the Census Bureau delineates Public Use Microdata Areas (PUMAs) for the tabulation and dissemination of decennial census Public Use Microdata Sample (PUMS) data, American Community Survey (ACS) PUMS data, and ACS period estimates. Nesting within states, or equivalent entities, PUMAs cover the entirety of the United States, Puerto Rico, Guam, and the U.S. Virgin Islands. PUMA delineations are subject to population, building block geography, geographic nesting, and contiguity criteria. Each PUMA is identified by a 5-character numeric census code that may contain leading zeros and a descriptive name.

    — Organization: U.S. Census Bureau, Department of Commerce

  • 2016_sldl

    State Legislative Districts (SLDs) are the areas from which members are elected to State legislatures. The SLDs embody the upper (senate) and lower (house) chambers of the state legislature. Nebraska has a unicameral legislature and the District of Columbia has a single council, both of which the Census Bureau treats as upper-chamber legislative areas for the purpose of data presentation; there are no data by SLDL for either Nebraska or the District of Columbia. A unique three-character census code, identified by State participants, is assigned to each SLD within a state. In Connecticut, Illinois, Louisiana, Maine, Maryland, Massachusetts, Michigan, Ohio, and Puerto Rico, the Redistricting Data Program (RDP) participant did not define the SLDs to cover all of the state or state equivalent area. In these areas with no SLDs defined, the code "ZZZ" has been assigned, which is treated as a single SLD for purposes of data presentation. The boundaries of the 2014 State legislative districts were provided by state-level participants through the RDP and reflect the districts used to elect members in or prior to the November 2014 election. </gco:CharacterString>

    — Organization: U.S. Census Bureau, Department of Commerce

  • 2014_kml_nation_20m

    This file depicts the shape of the United States clipped back to a generalized coastline.

    — Organization: U.S. Census Bureau, Department of Commerce

  • 2016_kml_cbsa_500

    Metropolitan and Micropolitan Statistical Areas are together termed Core Based Statistical Areas (CBSAs) and are defined by the Office of Management and Budget (OMB) and consist of the county or counties or equivalent entities associated with at least one urban core (urbanized area or urban cluster) of at least 10,000 population, plus adjacent counties having a high degree of social and economic integration with the core as measured through commuting ties with the counties containing the core. Categories of CBSAs are: Metropolitan Statistical Areas, based on urbanized areas of 50,000 or more population; and Micropolitan Statistical Areas, based on urban clusters of at least 10,000 population but less than 50,000 population.The CBSAs boundaries are those defined by OMB based on the 2010 Census and published in 2013.

    — Organization: U.S. Census Bureau, Department of Commerce

  • 2015TigerUnsd

    School Districts are single-purpose administrative units within which local officials provide public educational services for the area's residents.

    — Organization: U.S. Census Bureau, Department of Commerce