Title from PDF title screen (viewed Sept. 10, 2004).
"Oakland County, Michigan."
"Center for Applied Environmental Research, University of Michigan--Flint."
"December 1998."
Mode of access: Internet from the USGS Web site. Address as of 9/10/04: http://mi.water.usgs.gov/pdf/fs15098v7.pdf; current access is available via PURL.