Occurrence of pharmaceuticals and other organic wastewater constituents in selected streams in northern Arkansas, 2004 [electronic resource] / by Joel M. Galloway ... [et al.] ; prepared in cooperation with the University of Arkansas and the U.S. Department of Agriculture, Agricultural Research Service.
Imprint
Reston, Va. : U.S. Dept. of the Interior, U.S. Geological Survey, 2005.
Mode of access: Internet at the USGS web site. Address as of 8/29/08: http://pubs.usgs.gov/sir/2005/5140/SIR2005-5140.pdf ; current access is available via PURL.
Note
Title from PDF title screen (viewed on Nov. 2, 2005).
