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The Watershed Boundary Dataset (WBD) from The National Map (TNM) defines the perimeter of drainage areas formed by the terrain and other landscape characteristics. The drainage areas are nested within each other so that a large drainage area, such as the Upper Mississippi River, will be composed of multiple smaller drainage areas, such as the Wisconsin River. Each of these smaller areas can further be subdivided into smaller and smaller drainage areas. The WBD uses six different levels in this hierarchy, with the smallest averaging about 30,000 acres. The WBD is made up of polygons nested into six levels of data respectively defined by Regions, Subregions, Basins, Subbasins, Watersheds, and Subwatersheds. For additional information on the WBD, go to http://nhd.usgs.gov/wbd.html. The USGS National Hydrography Dataset (NHD) service is a companion dataset to the WBD. The NHD is a comprehensive set of digital spatial data that encodes information about naturally occurring and constructed bodies of surface water (lakes, ponds, and reservoirs), paths through which water flows (canals, ditches, streams, and rivers), and related entities such as point features (springs, wells, stream gages, and dams). The information encoded about these features includes classification and other characteristics, delineation, geographic name, position and related measures, a "reach code" through which other information can be related to the NHD, and the direction of water flow. The network of reach codes delineating water and transported material flow allows users to trace movement in upstream and downstream directions. In addition to this geographic information, the dataset contains metadata that supports the exchange of future updates and improvements to the data. The NHD is available nationwide in two seamless datasets, one based on 1:24,000-scale maps and referred to as high resolution NHD, and the other based on 1:100,000-scale maps and referred to as medium resolution NHD. Additional selected areas in the United States are available based on larger scales, such as 1:5,000-scale or greater, and referred to as local resolution NHD. For more information on the NHD, go to http://nhd.usgs.gov/index.html. Hydrography data from The National Map supports many applications, such as making maps, geocoding observations, flow modeling, data maintenance, and stewardship. Hydrography data is commonly combined with other data themes, such as boundaries, elevation, structures, and transportation, to produce general reference base maps. The National Map viewer allows free downloads of public domain WBD and NHD data in either Esri File or Personal Geodatabase, or Shapefile formats.

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A record for each employee which documents their employment in the federal government.

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Federal Catalog Program data used in the cataloging process to describe the attributes of items repetively used, purchased, stocked, or distributed, for all functions of supply from orginal purchase to final disposal.

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The Mass Layoff Statistics (MLS) program collects reports on mass layoff actions that result in workers being separated from their jobs. Monthly mass layoff numbers are from establishments which have at least 50 initial claims for unemployment insurance (UI) filed against them during a 5-week period. Extended mass layoff numbers (issued quarterly) are from a subset of such establishments?where private sector nonfarm employers indicate that 50 or more workers were separated from their jobs for at least 31 days.

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The 2007-08 National Postsecondary Student Aid Study (NPSAS:08) is a study that is part of the National Postsecondary Student Aid Study (NPSAS) program. NPSAS:08 [http://nces.ed.gov/surveys/npsas/about.asp]is a cross-sectional survey that is designed to compile a comprehensive research dataset, based on student-level records, on financial aid provided by the federal government, the states, postsecondary institutions, employers, and private agencies, along with student demographic and enrollment data. The study was conducted using multiple sources, including institutional records, government databases, and student interviews. NPSAS:08 contains the data on a sample of 114,000 undergraduate students and 14,000 graduate students. These students were enrolled between July 1, 2007 and June 30, 2008 in about 1,730 postsecondary institutions. The data are representative of all undergraduate and graduate students enrolled in postsecondary institutions in the 50 United States, the District of Columbia, and Puerto Rico that were eligible to participate in the federal financial aid programs in Title IV of the Higher Education Act. Statistics produced from the NPSAS:08 provide reliable national estimates of characteristics related to financial aid for postsecondary students.

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Migrant and Seasonal Agricultural Protection Act (MSPA) Registered Farm Labor Contractor Listing: The MSPA requires a contractor to obtain federal certification prior to performing any farm labor contracting activities. The farm labor contractors who appear on the following list have obtained a federal certificate. More information and details about the data provided can be found at http://explore.data.gov/Agriculture/Migrant-and-Seasonal-Agricultural-Protection-Act-M/bsvf-3e67

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recidivism rates for persons released from state prisons with specific demographic, criminal history, and sentence attributes.

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The "Syria Refugee Sites" dataset contains verified data about the geographic location (point geometry), name, and operational status of refugee sites hosting Syrian refugees in Turkey, Jordan, and Iraq. Only refugee sites operated by the United Nations High Commissioner for Refugees (UNHCR) or the Government of Turkey are included. Compiled by the U.S Department of State, Humanitarian Information Unit (INR/GGI/HIU), each attribute in the dataset (including name, location, and status) is verified against multiple sources. The name and status are obtained from the UNHCR data portal (accessible at http://data.unhcr.org/syrianrefugees/regional.php). The locations are obtained from the U.S. Department of State, Bureau of Population, Refugees, and Migration (PRM) and the National Geospatial-Intelligence Agency's GEOnet Names Server (GNS) (accessible at http://geonames.nga.mil/ggmagaz/). The name and status for each refugee site is verified with PRM. Locations are verified using high-resolution commercial satellite imagery and/or known areas of population. Additionally, all data is checked against various news sources. Locations are only accurate down to the city level. The designation field gives the type of site and the status of the site. Sites can be "Official Camps", camp settlements that are officially established and maintained by the United Nations or host country. Sites can also be "Transitional Camps", which is a typical camp structure but designed to be temporary or used on as needed basis. There can also be "Transitional Facilities"; these are facilities that are being used to temporarily house refugees. Status of these sites can be Planned, Under Construction, Staged, Open, or Closed. The data contained herein is entirely unclassified and is current as of 16 April 2015. The data is updated as needed.

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The Medicaid managed care penetration rates and expansion enrollment by state charts are composed annually by the Data and System Group (DSG) of the Centers for Medicare and Medicaid Services (CMS). The enrollment statistics profile Medicaid managed care programs on a state specific basis as of December 31, 2010. The information was collected from State Medicaid agencies and CMS regional offices. Data is presented for all states, the District of Columbia, Puerto Rico, and the Virgin Islands. Data is not presented for the following territories, Guam, Northern Mariana Islands, and American Samoa. The charts provide national-level summary tables relating to Medicaid and managed care enrollment by State and States with comprehensive health care reform demonstrations.

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The Company Safety Profile (CSP) contains safety-related information on an individual Company's operation, including selected items from inspection reports and crash reports and the results of any reviews or enforcement actions involving the requested company. For a more detailed description of the CSP and the information it contains, please select the CSP Definition Document link shown to the right. As an aid to performing a successful CSP Request, please select the CSP Help link shown to the right, particularly if you have not previously used this service. ProVu is a viewer which allows users to electronically analyze standard company safety profile reports. Data are available in a PDF as well as XML. FMCSA provides a tool, called ProVu, in order to read the XML data.

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CPSC's National Electronic Injury Surveillance System (NEISS) is a national probability sample of hospitals. Patient information is collected for every emergency visit involving an injury associated with a consumer product. From this sample, the total number of product-related injuries treated in hospital emergency rooms nationwide can be estimated. Estimates can be focused by setting certain variables.

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The dataset contains hours worked by hospital employee classification and by hospital cost center groupings, as well as adjusted patient days for all licensed, comparable hospitals in California. State mental hospitals and psychiatric health facilities are excluded.

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In What Influences the Awareness of Physician Quality Information, Implications for Medicare, published in Volume 4, Issue 2 of Medicare and Medicaid Research Review, the authors examine factors associated with awareness of publicly available information about physician performance. The population examined, people 65 years and older with chronic illnesses, have an overall awareness of 13 percent, similar to the general population. Age, race, education, and self-reported health status are associated with greater awareness of physician quality information (PQI), as are trust in the Internet as a source of health care information and not trusting ones physician as an information source. Population trends over time will not likely improve awareness, nor will increases in patient activation or satisfaction with care-both goals of recent Medicare initiatives. The need for devoting resources to stronger efforts that would raise awareness of PQI across all Medicare beneficiaries requires a clearer understanding of the level of beneficiary awareness needed to achieve the ultimate goal for transparent PQI, which is better quality of care for consumers.

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USCRN Daily Products are available on public FTP and derived from the USCRN processed data. Daily products include averages and calculated values for precipitation, air temperature, solar radiation, surface temperature, relative humidity, soil moisture, and soil temperature on a daily time scale. Other products are available from USCRN, including sub-hourly, hourly, and monthly products. It is the general practice of USCRN to not calculate derived variables if the input data to these calculations are flagged. These data records are versioned based on the processing methods and algorithms used for the derivations, and data are updated when the higher quality raw data become available from stations' datalogger storage (Datalogger Files).

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The map graphic image at http://water.usgs.gov/GIS/browse/arsenic_map.png illustrates arsenic values, in micrograms per liter, for groundwater samples from about 31,000 wells and springs in 49 states compiled by the United States Geological Survey (USGS). The map graphic illustrates an updated version of figure 1 from Ryker (2001). Cited Reference: Ryker, S.J., Nov. 2001, Mapping arsenic in groundwater-- A real need, but a hard problem: Geotimes Newsmagazine of the Earth Sciences, v. 46 no. 11, p. 34-36 at http://www.agiweb.org/geotimes/nov01/feature_Asmap.html. An excel tabular data file, a txt file, along with a GIS shape file of arsenic concentrations (20,043 samples collected by the USGS) for a subset of the sites shown on the map. Samples were collected between 1973 and 2001 and are provided for download.

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Data about power company service areas and their announcements about outages are critical for the effective coordination of resources after disasters, and also for building community and neighborhood resilience. As part of a [White House Mapathon](http://mapgive.state.gov/whmapathon/) the Department of Energy's [Office of Electricity Delivery and Energy Reliability](http://energy.gov/oe/office-electricity-delivery-and-energy-reliability) created a national geospatial database of power company service areas with pointers to public outage information (eg, Twitter, web sites, and via 800 numbers). Mapathon participants researched public outage information state by state, and populated a lookup table so that disaster-impacted residents, tourists, first responders and relief volunteers can easily get to the information they need on scope and estimated restore times for power outages. This project benefited from participation of private and public sector folks who need this data for their work, and of third party app developers such as Red Cross and The Weather Channel who will incorporate this data into the information services they offer their users.

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A nationwide survey that collects information such as age, race, income, commute time to work, home value, veteran status, and other data. Data from the American Community Survey and the Puerto Rico Community Survey were collected during calendar year 2009. Available for geographic areas with populations of 65,000 or more.

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The purpose of this site is to expose NASA satellite data and research on Arctic change in the form of maps that illustrate the changes taking place in the Arctic over time. A high-speed internet connection is recommended for map viewing. This site is presented with support from NASA Earth Sciences.

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The U.S. Environmental Protection Agency (EPA) has collected and reported data on the generation and disposal of waste in the United States for more than 30 years. We use this information to measure the success of waste reduction and recycling programs across the country. Our trash, or municipal solid waste (MSW), is made up of the things we commonly use and then throw away. These materials include items such as packaging, food scraps, grass clippings, sofas, computers, tires, and refrigerators. MSW does not include industrial, hazardous, or construction waste. The data on Materials Discarded in the Municipal Waste Stream, 1960 to 2009, provides estimated data in thousands of tons discarded after recycling and compost recovery for the years 1960, 1970, 1980, 1990, 2000, 2005, 2007, 2008, and 2009. In this data set, discards include combustion with energy recovery. This data table does not include construction & demolition debris, industrial process wastes, or certain other wastes. The "Other" category includes electrolytes in batteries and fluff pulp, feces, and urine in disposable diapers. Details may not add to totals due to rounding.

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The National Assessment of Educational Progress, 2009 High School Transcript Study (HSTS 2009) is a study that is part of the National Assessment of Educational Progress (NAEP) program; program data available since 1990 at . HSTS 2009 (http://nces.ed.gov/nationsreportcard/hsts/) is a cross-sectional survey that periodically surveys the curricula being followed in our nation's high schools and the coursetaking patterns of high school students through a collection of transcripts. The study was conducted using survey of school administrative personnel and collection of students' transcripts. For public schools, the HSTS sample was a subsample of the NAEP 2009 twelfth-grade public school sample for the operational mathematics and science assessments. For private schools, the HSTS sample was the NAEP 2009 twelfth-grade private school sample for the operational mathematics and science assessments. The study�s weighted response rate was 83 percent. HSTS 2009 also offers information on the relationship of student coursetaking patterns to achievement at grade 12 as measured by NAEP. Key statistics produced from HSTS 2009 are information about the types of courses that graduates take, how many credits they earn, their grade point averages, and the relationship between coursetaking patterns and achievement, as measured by NAEP.

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The Environment Statistics Database contains selected water and waste statistics by country. Statistics on water and waste are based on official statistics supplied by national statistical offices and/or ministries of environment (or equivalent institutions) in countries in response to the biennial UNSD/UNEP Questionnaire on Environment Statistics. They were complemented by data on EU and OECD member and partner countries from OECD and Eurostat. Environment statistics is still in an early stage of development in many countries, and data are often sparse. The statistics selected here are those of relatively good quality and geographic coverage. The online database currently covers the years 1990, 1995 to 2009. For information on definitions, data quality and other important metadata, please check UNSD Environmental Indicator tables.Last update in UNdata: 19 Sep 2011Next update in UNdata: Jul 2013

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A joint venture involving the National Atlas programs in Canada (Natural Resources Canada), Mexico (Instituto Nacional de Estadística Geografía e Informática), and the United States (U.S. Geological Survey), as well as the North American Commission for Environmental Co-operation, has led to the release (June 2004) of several new products: an updated paper map of North America, and its associated geospatial data sets and their metadata. These data sets are available online from each of the partner countries both for visualization and download. The North American Atlas data are standardized geospatial data sets at 1:10,000,000 scale. A variety of basic data layers (e.g. roads, railroads, populated places, political boundaries, hydrography, bathymetry, sea ice and glaciers) have been integrated so that their relative positions are correct. This collection of data sets forms a base with which other North American thematic data may be integrated. Any data outside of Canada, Mexico, and the United States of America included in the North American Atlas data sets is strictly to complete the context of the data. The North American Atlas - Glaciers data set shows areas of permanent ice found on the North America landmass including Greenland, and also shows areas of land found within glaciers. No distinction is made between major glaciers, ice fields, and the Greenland ice cap. The only permanent ice shown on land areas outside of North America and Greenland is on Iceland.

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The Rail Network is a comprehensive database of the nation's railway system at 1:24,000 to 1:100,000 scale (NTAD 2015). The data set covers all 50 States plus the District of Columbia.

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International Comprehensive Ocean Atmosphere Data Set (ICOADS) consists of digital data set DSI-1173, archived at the National Climatic Data Center (NCDC). ICOADS is the world's largest collection of marine surface in situ observations with 185+ million records for 1784 through the present. ICOADS is developed and maintained as a cooperative effort between NSF's National Center for Atmospheric Research (NCAR) and the National Oceanic and Atmospheric Administration (NOAA): specifically its Climate Diagnostics Center (CDC), in conjunction with the Cooperative Institute for Research Sciences (CIRES) of the University of Colorado, and its National Climatic Data Center (NCDC).ICOADS is a collection of global marine surface observations from 1784-present. The data is originally from Surface Marine Observations, DSI-1129, (C00242). This data set is in the process of being archived; the earliest years are not yet available. NCDC plans to eventually make the entire data set available. The coverage is global and sampling density varies depending on date and position relative to major ocean shipping routes. ICOADS data are made available through observations that are taken primarily from ships (merchant, ocean research, fishing, navy, etc.) and moored and drifting buoys. Each report contains individual observations of meteorological and oceanographic variables, such as sea surface and air temperatures, winds, pressure, humidity, wet bulb, dew point, ocean waves and cloudiness.Also available from NCDC, but separate from DSI-1173, are monthly statistics of observations. The monthly time series are available from 119 ships or buoys dating back to November, 2001. After the observations are summarized the data are not interpolated or analyzed to fill data voids. The spatial coverage varies depending on the date and position relative to major ocean shipping routes. A monthly summary for an area box includes ten statistics (e.g. mean, median, standard deviation, etc.) for 22 observed and computed variables (e.g. sea surface and air temperature, wind, pressure, humidity, cloudiness, etc.). Monthly data is available in an ASCII table format.

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This report presents comprehensive data on telephone penetration statistics collected by the Bureau of the Census under contract with the FCC. Along with telephone penetration statistics for the United States and each of the states from November 1983 to November 2009, data are provided on penetration based on various demographic characteristics.