Organochlorine compounds and current-use pesticides in snow and lake sediment in Rocky Mountain National Park, Colorado, and Glacier National Park, Montana, 2002-03 [electronic resource] / by M. Alisa Mast, William T. Foreman, and Serena V. Skaates ; prepared in cooperation with the National Park Service.
Imprint
Reston, Va. : U.S. Dept. of the Interior, U.S. Geological Survey, 2006.
Mode of access: Internet at the USGS web site. Address as of 7/25/08: http://pubs.usgs.gov/sir/2006/5119/pdf/SIR2006-5119.pdf ; current access is available via PURL.
Note
Title from PDF title screen (viewed on Aug. 2, 2006).