REFERENCES

U.S. CRS (U.S. Congressional Research Service). 2007. Ethanol and Biofuels: Agriculture, Infrastructure, and Market Constraints Related to Expanded Production. (RL 33928; March 16, 2007). Report by Brent D.Yacobucci and Randy Schnepf. Text in GalleryWatch CRS Reports. Accessed August 17, 2007.

USDA (U.S. Department of Agriculture) Soil Conservation Service. 1993. Water Quality Indicators Guide: Surface Waters. Report by Charles Terrell (National Water Quality Specialist, Ecological Sciences Division, Soil Conservation Service) and Patricia Bytnar Perfetti (Department of Geoscience and Environmental Sciences, University of Tennessee, Chattanooga). Washington, D.C.: USDA.

USDOE (U.S. Department of Energy) and USDA. 2005. Biomass as Feedstock for a Bioenergy and Bioproducts Industry. Oak Ridge, TN: USDOE.

USGS (U.S. Geological Survey). 2007. The Water Cycle: Evapotranspiration. Available online at http://ga.water.usgs.gov/edu/watercycleevapotranspiration.html.



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