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Credits
The Dirt on Soil was written and produced by Educational Web Adventures (Eduweb®).
Photo Credits
Beetle mite. Photograph courtesy of V. Behan-Pelletier and B. Eamer.
http://www.cciw.ca/eman-temp/reports/publications/Mixedwood/mites/m-15.htm
Tunneling Mole. Photograph courtesy of Point Pelee National Park, Canada.
http://parkscanada.pch.gc.ca/parks/ontario/point_pelee/english/Nature2b_e.htm
Bacterium. Photograph by Tomoki Takahashi.
http://www.inada.affrc.go.jp/~tomoki/bdcontents/microorganisms-e.html
Night Crawler. Photograph by Jon C. Glase Ph.D.
http://biog-101-104.bio.cornell.edu/BioG101_104/tutorials/animals/worm_stuff/worm_dorsal.html
Lava Flow. Photograph courtesy of the U.S. Geological Survey.
http://volcanoes.usgs.gov/Imgs/Jpg/Photoglossary/30424305-008_large.JPG
Endomycorrhizae fungus. Photograph by Dr. E.R. Ingham.
http://soilfoodweb.com/gallery/8.html
Soil in hands. Photograph by USDA/Larry Rana.
http://www.usda.gov/oc/photo/95cs6945.htm
Nematode head. Photograph by Sven Boström.
http://www.nrm.se/ev/dok/nemadok/cili.html.en
Nemotode (Round Worm). Photograph by Ana Luisa Child.
http://www.nrel.colostate.edu/soil/images/12bf7.jpg
Surface of Mars. Photograph courtesy of NASA.
http://pds.jpl.nasa.gov/planets/gif/mar/vlpan12.gif
Ameoba Proteus. Photograph by Yuuji Tsukii.
http://taxa.soken.ac.jp/WWW/PDB/Images/Sarcodina/ap/intactcell2.html
Soil horizons. Photograph courtesy of Saskatchewan Interactive/Dr. Jeff Bettany.
http://interactive.usask.ca/DBscans/
Glacier. Photograph courtesy John Allison.
Rainforest. Photograph courtesy Steven Allison-Bunnell.
Granite, cave, and lichen images from ArtToday
http://www.arttoday.com
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