http://www.fcd.maricopa.gov/Flooding/Glossary.asp
Definitions of flood related terms.
http://www.fema.gov/hazards/floods/
Information about floods from the Federal Emergency Management Agency.
http://landslides.usgs.gov/html_files/nlic/page5.html
Information from the U.S. Geological Survey
http://landslides.usgs.gov/html_files/landslides/slides/landslideimages.htm
26 clickable images of landslides.
http://nsidc.org/glaciers/
All you ever wanted to know about glaciers from NOAA, the
National Oceanic amd Atmospheric Administration.
