May be of interest:

Growing Science in Agricultural Wetlands
USGS science is increasing our understanding of mercury pollution affecting a vital wildlife and human resource ― California’s rice fields.

For those located near one of the five main USGS libraries (Denver, Colorado; Flagstaff, Arizona; Lafayette, Louisiana; Menlo Park, California; and Reston Virginia) , we have full-text access to the journal Science of the Total Environment (ISSN 0048-9697) for all walk-in users from our public computers. The full list of on-site access to the public is available at: http://library.usgs.gov/publiceresources.html

Enjoy the day,

Emily Wild
Librarian (Physical Scientist)
U.S. Geological Survey
Denver Library
Box 25046, MS 914
Denver Federal Center
Denver, CO 80225-0046
ph: (303) 236-1003
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USGS Libraries: http://library.usgs.gov
Tutorials: http://tinyurl.com/lh3tmua
Professional Page: http://profile.usgs.gov/ecwild