http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Microbial source tracking markers at three inland recreational lakes in Ohio, 2011
1 online resource (iv, 8 pages) : illustrations, color map.
Title from title screen (viewed Jan. 4, 2013).
"Prepared in cooperation with the Ohio Water Development Authority and Muskingum Watershed Conservancy District."
Includes bibliographical references (page 8).
U.S. Geological Survey open-file report ; 2012-1222