The Geographic Names Information System (GNIS), developed by the USGS in cooperation with the U.S. Board on Geographic Names (BGN), contains information about…
Author: LTD-Admin
GISuser Guide to Accessing Free 2002 TIGER/Line data
The US Census Bureau makes available the 2002 TGER/Line files for free download. The TIGER/Line files are extracts of selected geographic and cartographic…
GISuser Guide to downloading Free NWI and USFWS data products
The US Fish and Wildlife service makes a number of digital spatial data products available to the public for free download. The data…
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…
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…
A pixel is Worth 1,000 Words… or $100!
A Canadian cartographer has the Bank of Canada scrambling to make some fixes on the recent redesign of the Canadian $100 note. Natural Resources…
CITISTAT
CitiStat is an accountability tool based on the ComStat program pioneered in the New York City Police Department by Jack Maple. CompStat, utilizing…
The GISuser's Guide to locating and downloading Free USGS data
So, you need to work with USGS data. Perhaps you need DRGs, maybe some DEMs, or maybe even some DOQQs. Before you begin…
Next Generation of Internet Search Engines Enhanced for Location-Based Search
Toronto, ON – NAC Geographic Products (NACGEO) and Metamend have announced that the two companies have reached an agreement in an Internet search engine…
Mapping mule deer habitat
Wildlife biologists are mapping mule deer habitat from Mexico to Canada and identifying specific regional problems to try to stem the deer’s decline…