|Searched for: GEM Subject is Science -- Earth science
|Results 6 - 10 of 2814
This online publication illustrates the spatial history of urban growth and corresponding land use change in sixteen areas around the United States. It features pairs of images of selected urban regions from across the...
This portal provides access to maps, aerial photographs, books, booklets, posters, CDs, digital data, and satellite imagery, many of which are useful for teaching about Lewis and Clark. These resources can be used in an...
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,...
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 site is the homepage of the National Oceanic and Atmospheric Administration's (NOAA) tsunami warning center for Alaska and the west coast of the United States. Users can access current tsunami information through...
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