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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.
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.
This is a comparison of notable GIS software. To be included on this list, the software must have a linked existing article. The selection of GIS software is a non-trivial task typically undertaken at project commencement. The use of appropriate selection criteria and methodology can be critical to a project's success, with considerations including outlay costs, ease of use, data and 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 ...
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.
Commerce Clearing House was founded in 1892 and was acquired by Oakleigh Thorne in 1907. [1]CCH has been publishing materials on U.S. tax law and tax compliance since the inception of the modern U.S. federal income tax in 1913. [2]
Donald Trump's second inauguration will be a triumphant return for a former president many believed would be permanently barred from Washington four years ago after denying his 2020 election loss ...
Williamson County is a county in Southern Illinois.At the 2020 census, it had a population of 67,153. [1] The largest city and county seat is Marion. [2]Williamson County is included in the Carbondale-Marion, IL Metropolitan Statistical Area.
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