Historical changes in precipitation and streamflow in the U.S. Great Lakes Basin, 1915-2004 [electronic resource] / by Glenn A. Hodgkins, Robert W. Dudley, and Stephen S. Aichele.
Imprint
Reston, Va. : U.S. Dept. of the Interior, U.S. Geological Survey, 2007.
Mode of access: Internet from the EPA web site. Address as of 8/22/08: http://pubs.usgs.gov/sir/2007/5118/pdf/SIR2007-5118.pdf; current access available via PURL.