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  2. National Lidar Dataset (United States) - Wikipedia

    en.wikipedia.org/wiki/National_Lidar_Dataset...

    Currently, the best source for nationwide LiDAR availability from public sources is the United States Interagency Elevation Inventory (USIEI). [1] The USIEI is a collaborative effort of NOAA and the U.S. Geological Survey, with contributions from the Federal Emergency Management Agency, the Natural Resources Conservation Service, the US Army Corps of Engineers, and the National Park Service.

  3. List of GIS data sources - Wikipedia

    en.wikipedia.org/wiki/List_of_GIS_data_sources

    This is a list of GIS data sources (including some geoportals) that provide information sets that can be used in geographic information systems (GIS) and spatial databases for purposes of geospatial analysis and cartographic mapping. This list categorizes the sources of interest.

  4. Congress Lands - Wikipedia

    en.wikipedia.org/wiki/Congress_Lands

    Congress Lands in Ohio. The Congress Lands was a group of land tracts in Ohio that made land available for sale to members of the general public through land offices in various cities, and through the United States General Land Office. It consisted of three groups of surveys: [1] Ohio River Base Congress Lands East of Scioto River

  5. List of Superfund sites in Ohio - Wikipedia

    en.wikipedia.org/.../List_of_Superfund_sites_in_Ohio

    This is a list of Superfund sites in Ohio designated under the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA) environmental law.The CERCLA federal law of 1980 authorized the United States Environmental Protection Agency (EPA) to create a list of polluted locations requiring a long-term response to clean up hazardous material contaminations. [1]

  6. Historical geographic information system - Wikipedia

    en.wikipedia.org/wiki/Historical_geographic...

    Electronic Cultural Atlas Initiative (ECAI) is a clearinghouse for the exchange of metadata of Historical GIS. Maintained by the University of California, Berkeley. Euratlas History Maps is a historical atlas of Europe from year 1 to present days with one map per century. The maps depict sovereign states as well as administrative divisions and ...

  7. Pennsylvania Spatial Data Access - Wikipedia

    en.wikipedia.org/wiki/Pennsylvania_Spatial_Data...

    Pennsylvania Spatial Data Access (PASDA), [4] the official public geospatial data clearinghouse for the Commonwealth of Pennsylvania marked its 18th year in 2014. PASDA, which has grown from a small website offering 35 data sets in 1996 to the expansive user-centered data clearinghouse that it is today, has become a staple of the GIS community in Pennsylvania.

  8. Geographic information system - Wikipedia

    en.wikipedia.org/wiki/Geographic_Information_System

    GIS data acquisition includes several methods for gathering spatial data into a GIS database, which can be grouped into three categories: primary data capture, the direct measurement phenomena in the field (e.g., remote sensing, the global positioning system); secondary data capture, the extraction of information from existing sources that are ...

  9. Open Geospatial Consortium - Wikipedia

    en.wikipedia.org/wiki/Open_Geospatial_Consortium

    The Open Geospatial Consortium (OGC) is an international voluntary consensus standards organization that develops and maintains international standards for geospatial content and location-based services, sensor web, Internet of Things, GIS data processing and data sharing. The OGC was incorporated as a not for profit in 1994.