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Searched for: GEM Subject is Social studies -- Geography
Results 121 - 125 of 793
This collection of historic topographic maps goes back to the late 19th century. Comparison of maps of the same area from different times allows users to observe changes in land use over time. The maps can be searched...
This four-page fact sheet provides a brief summary of the analysis of land use in urban environments. Topics include the rapid growth in urban populations, some of the methods used to analyze land use change (mapping,...
The United States Geological Survey (USGS) is the primary civilian mapping agency of the United States. Materials available at this site include general information about topographic mapping, and information about USGS...
This map generator takes longitude/latitude pairs as input and plots them on a Mercator projection map along with land/sea and political boundaries. The map bounds will be about 10 percent larger than the bounds of the...
This is an e-book of before-and-after Landsat images (1972-present), showing recent environmental events and introducing the concept of remote sensing. Some changes are due to natural causes and some are due to human...
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