The U.S. Interagency Elevation Inventory is the website to visit to see where high-accuracy elevation data are available. This comprehensive, nationwide listing is…
Tag: USGS
05.31.2007
$250 Fine or Imprisonment for Disturbing This Mark
A 3.158Mb PDF of this article as it appeared in the magazine—complete with images—is available by clicking HERE
12.31.2006
Denver's USGS Mapping Center
A 1.447Mb PDF of this article, complete with images, may be downloaded by clicking HERE Located in the Denver Federal Center in Lakewood, Colorado…
12.31.2005
Laser Scanning Katrina-Damaged Levees
A 1.954Mb PDF of this article as it appeared in the magazine—complete with images—is available by clicking HERE
11.30.2005
Mapping the Missouri
A 3.473Mb PDF of this article as it appeared in the magazine—complete with images—is available by clicking HERE
04.30.2005
GIS Matters: Certifying the Spatial Accuracy of GIS Data
A 92Kb PDF of this article as it appeared in the magazine—complete with charts—is available by clicking HERE
04.30.2005
Company ProFile: DeLorme: Satisfying Spatial Curiosity
A 832Kb PDF of this article as it appeared in the magazine—complete with images—is available by clicking HERE
02.26.2004
GISuser Guide to downloading Free USGS 1:100K DLGs
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…
02.26.2004
GISuser Guide to downloading Free 1:250K USGS DEMs
A digital elevation model (DEM) is a digital file consisting of terrain elevations for ground positions at regularly spaced horizontal intervals. The USGS…
