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Older landslides (before Hurricane Mitch) in El Salvador


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2013-05-16 14:07:12


This cover contains the outlines of selected landslides and debris flows that occurred prior to Hurricane Mitch in the areas where hurricane-induced landslides were mapped. The landslides and debris flows shown in this coverage were mapped using 1:40,00-scale and 1:15,000-scale black-and-white aerial photographs. Much of the photography was taken a few months after the storm, but additional photography was taken in late 2000. The photographs were visually examined using 4-X mirror stereoscopes, and the landslides were plotted by hand on mylar overlays that were registered to topographic maps. The landslides were plotted on 1:25,000-scale maps where these high-quality maps were available; for other parts of the country, the landslides [...]


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The coverage shows the distribution of pre-hurricane slope failures and the associated deposits selected parts of El Salvador. The cover included maps of these features in widely separated parts of the country. The maps provide an inventory of these features and also contain a few recent landslides that predate the hurricane.
Map showing study areas and aerial photograph coverage, 585x439 pixels, 16k bytes.
Map showing study areas and aerial photograph coverage, 585x439 pixels, 16k bytes.




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Added to Sciencebase on Sat Nov 16 13:42:27 MST 2013 by processing URL <b>pre-mitch.xml</b> in item <a href=""></a> <br />

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