25 de Abril 2006
USGS Releases Geologic Maps for Google Earth
The US Geological Survey (USGS) has added more earthquake related visualizations for Google Earth. A couple of weeks ago they released a large collection of visualizations for GE as part of the 100th year anniversary of the 1906 San Francisco Earthquake. The USGS has now released a collection of Geologic Maps (maps which show the age and types of materials at the surface) for several counties in Northern California. You can download either PDF, JPG, or Google Earth versions of the maps. The GE files are large, ranging from 1.6 Mbytes to 15 Mbytes - I would advise loading only one at a time and deleting them from your "Temporary Places" before loading another. Here is an example of Napa County (8.2 Mbytes).
Geologists use these maps for helping identify hazardous areas, to find good gelogical resources, to help understand our environment, and to help understand the geological history of an area. Read more here.
Enviado por FrankTaylor at 25 de Abril 2006 a las 07:07 PM
Enviado por: Matt at 26 de Abril 2006 a las 10:47 AM
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