3)Lane, Nic . "CRS Report for Congress." Dam Removal: Issues, Considerations, and Controversies Congressional Research Service: The Library of Congress, 19 June 2006. Web. 1 Nov. 2009.
- this is government funded and monitered
- this was a report presented to congress
- I would consider this creditable
4)Higgs, Stephen. The Ecology of Dam Removal Eds. Elizabeth Maclin Margaret Bowman, and Angela Bednarek. American Rivers, Feb. 2002. Web. 1 Nov. 2009.
- This is supported by the national fishing assicioction and the river association
-54 references where cited
5)Bowman, Margaret , Serena McClain, and Amy Souers. "Exploring Dam Removal ." American Rivers and Trout Unlimited, Aug. 2002. Web. 6 Oct. 2009.
-no sources where cited
- so I would not consider this creditable
6)Botkin, Daniel B., and Edward A. Keller. Environmental Science: earth as living planet . 4th ed. NJ: John Wiley & Sons, 2003. 75-89. Print.
- this book is currentaly being used by the envirnmental science class at metro
- many credentials
- this book has many editions
- also reviewed
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