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GISuser Guide to downloading Free GNIS US Place Name data Posted on February 29, 2004 The Geographic Names Information System (GNIS), developed by the USGS in cooperation with the U.S. Board on Geographic Names (BGN), contains information about almost 2 million physical and cultural geographic features in the United States and its territories.
GISuser Guide to downloading Free 1:250K USGS DEMs Posted on February 26, 2004 A digital elevation model (DEM) is a digital file consisting of terrain elevations for ground positions at regularly spaced horizontal intervals. The USGS produces five different digital elevation products. 1-Degree DEMs correspond to the 3 arc-second - 3- x 3-arc-second data spacing - (or 1:250,000-scale) USGS topographic map series, and are available for all of the contiguous U.S. and most of Alaska.
GISuser Guide to downloading Free USGS 1:100K DLGs Posted on February 26, 2004 Digital Line Graphs (DLGs) are digital vector representations of cartographic information derived from USGS maps and related sources. Intermediate-scale DLG's are derived from USGS 1:100,000-scale 30- by 60- minute quadrangle maps.
GISuser Guide to downloading Free NWI and USFWS data products Posted on February 26, 2004
The US Fish and Wildlife service makes a number of digital spatial data products available to the public for free download. The data sets accessible for each State are for larger scale data (1:24:000 up to 1:500,000). Most of these datasets are provided as ArcView SHP or E00 coverages.
The GISuser's Guide to locating and downloading Free USGS data (Part 2) Posted on January 29, 2004
This feature complements the original article "The GISuser's Guide to locating and downloading Free USGS data". It provides the reader with additional information about SDTS, DRG, and DEM developer support, translators, viewers, and tools.
LIDAR Data Retrieval Tool (LDART) - Data for Mapping Coastal Topography in the U.S Posted on January 09, 2004 (January, 2004) LIDAR Data Retrieval Tool (LDART) is a Web-based application that the NOAA Coastal Services Center developed to allow its customers, partners, and employees to select topographic LIDAR data from its collection.
GISuser Looks at Geobase Posted on January 08, 2004 Through the GeoBase portal, users with an interest in the field of geomatics have access to quality geospatial information at no cost and with unrestricted use. GeoBase.. building a common ground.
NOAA Coastline Extractor Posted on January 06, 2004
Are you searching for a useful tool that will provide you with coastal boundaries for anywhere in the World? Search no more.
Massive mosaic is product of space-based earth observation Posted on January 06, 2004 (Hundreds and hundreds of satellite scenes grouped into tiles have been
painstakingly pieced together by Natural Resources Canada to create one huge
photograph of the country as seen from space. The result is a massive mosaic of
digital images 85 gigabytes big — that’s over 100 CD’s worth of data.
See more threads and details about Glenn's AnyGeo Weblog HERE The Editor (Glenn) started the AnyGeo blog some time ago and the threads are now also mirrored here at GISuser.com - RSS feed is available to add to your favorite news reader.
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The Geographic Names Information System (GNIS), developed by the USGS in cooperation with the U.S. Board on Geographic Names (BGN), contains information about almost 2 million physical and cultural geographic features in the United States and its territories.
A digital elevation model (DEM) is a digital file consisting of terrain elevations for ground positions at regularly spaced horizontal intervals. The USGS produces five different digital elevation products. 1-Degree DEMs correspond to the 3 arc-second - 3- x 3-arc-second data spacing - (or 1:250,000-scale) USGS topographic map series, and are available for all of the contiguous U.S. and most of Alaska.
Digital Line Graphs (DLGs) are digital vector representations of cartographic information derived from USGS maps and related sources. Intermediate-scale DLG's are derived from USGS 1:100,000-scale 30- by 60- minute quadrangle maps.
(January, 2004) LIDAR Data Retrieval Tool (LDART) is a Web-based application that the NOAA Coastal Services Center developed to allow its customers, partners, and employees to select topographic LIDAR data from its collection.
Through the GeoBase portal, users with an interest in the field of geomatics have access to quality geospatial information at no cost and with unrestricted use. GeoBase.. building a common ground.
(Hundreds and hundreds of satellite scenes grouped into tiles have been
painstakingly pieced together by Natural Resources Canada to create one huge
photograph of the country as seen from space. The result is a massive mosaic of
digital images 85 gigabytes big — that’s over 100 CD’s worth of data.
Data Articles & Free Data Tutorials
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