Data sets tagged with "shapefile"

The US government’s ‘Topologically Integrated Geographic Encoding and Referencing’ system, usually referred to as TIGER, is based on an extensive database of US geographic information. It is county-level data that documents physical features like roads and rivers, as well as some administrative features such as Congressional districts. Data can be downloaded for ...

Attribute columns COLUMN TYPE DESCRIPTION Shape Polygon Country/area border as polygon(s) FIPS String(2) FIPS 10-4 Country Code ISO2 String(2) ISO 3166-1 Alpha-2 Country Code ISO3 String(3) ...

Define the administrative boundaries of the four major waterfowl migration flyways for the continental US Additional facts from data.gov Dataset Summary Data.gov Data Category Type: Raw Data Catalog Specialized Data Category Designation: Research Contributing Agency Information Agency Program Page: http://www.fws.gov/data/datafws.html Agency Data Series Page: ...

The National Weather Service (NWS) Storm Prediction Center (SPC) routinely collects reports of severe weather and compiles them with public access from the database called SeverePlot (Hart and Janish 1999) with a Graphic Information System (GIS). The composite SVRGIS information is made available to the public primarily in .zip files of approximately 50MB size. The files ...

Geochemical analyses of sediment samples throughout the U.S. collected by the hydrogeochemical and stream sediment reconnaissance (HSSR) phase of the National Uranium Resource Evaluation (NURE) program. This database contains 397,625 records. Additional facts from data.gov Dataset Summary Date Released: 1997 Date Updated: 2004 Time Period: data collection through 1980 ...

Mine plants and operations for commodities monitored by the Minerals Information Team of the USGS. Operations included are those considered active in 2003 and surveyed by the USGS. Additional facts from data.gov Dataset Summary Date Released: 2005 Date Updated: 2005 Time Period: current as of 2003 Data.gov Data Category Type: Raw Data Catalog Frequency: as needed ...

Brownfields are real property, the expansion, redevelopment, or reuse of which may be complicated by the presence or potential presence of a hazardous substance, pollutant or contaminant. This dataset shows the locations of sites, facilities and properties that have been contaminated by hazardous materials and are being, or have been, cleaned up under EPA Brownfields ...

Contains informaiton about facilities or sites subject to environmental regulation, including key facility information along with associated environmental interests for use in mapping and reporting applications. Additional facts from data.gov Dataset Summary Date Released: 1/17/2007 Date Updated: 4/16/2009 Time Period: Data describes facilities currently regulated ...

The National Weather Service (NWS) Storm Prediction Center (SPC) routinely collects reports of severe weather and compiles them with public access from the database called SeverePlot (Hart and Janish 1999) with a Geographic Information System (GIS). The composite SVRGIS information is made available to the public primarily in .zip files of approximately 50MB size. The ...

Geochemistry of soils and other regoliths collected and analyzed by Hans Shacklette and colleagues from 1958 until about 1976 Additional facts from data.gov Dataset Summary Date Released: 1981 Date Updated: 1981 Time Period: samples collected 1958-1976 Data.gov Data Category Type: Raw Data Catalog Frequency: none planned Specialized Data Category Designation: ...

A subset of the National Geochronological Database as of 1995. Shows the distribution of published K/Ar and Ar/Ar age determinations in the US. Sample location, rock description, analytical data, age, interpretation, and bibliographic reference are given. Additional facts from data.gov Dataset Summary Date Released: 1995 Date Updated: 1995 Time Period: data obtained ...