Access to Safe Water Photo Gallery
<http://www.worldbank.org/depweb/english/modules/environm
/water/photo.htm>
California Department of Water Resources
<http://elib.cs.berkeley.edu/photos/dwr>
EcoIQ Online Images
<http://www.ecoiq.com/onlineimages/index.html>
Green Stock Media
<http://www.greenstockmedia.com>
Toxic Substances Hydrology Program Photo
Gallery: USGS
<http://toxics.usgs.gov/photo_gallery>
Underwater Photo Gallery
<http://www.dnn.co.jp/diving/gallary/index.html>
Water Resources Research Center: University
of Arizona
<http://ag.arizona.edu/AZWATER/newwatermap/mainmap.html> | 
