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Recent earthquakes in Puerto Rico
earthquake.usgs.gov/...13.23.-71.-61.php
earthquake.usgs.gov/...13.23.-71.-61_eqs.php
www.scienceblog.com/6687
www.spacedaily.com/...tectonics-05j.html
www.popularmechanics.com/...4324941.html
www.sciencedaily.com/...106-earthquake_proof_house.htm
images.google.com/imgres
welcome.topuertorico.org/economy.shtml
www.ideers.bris.ac.uk/...aboutus.html
school.discoveryeducation.com/...earthquakeproof
Christina Wilson
11 items | 3 visits
Updated on Mar 31, 10 Created on Feb 23, 10
Category: Not Categorized
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