Melinda Campbell and Dave Koster worked as research assistants on the ongoing study in P.J. Hoffmaster State Park during the academic year 2005-2006.

Melinda Campbell was a junior environmental geology major from Saginaw, MI. She graduated in May 2007 and went on to graduate studies in geology at the University of Toledo (MA 2009).

Dave Koster was a senior geology major from Grand Rapids, MI. He graduated in May 2006 and went on to employment in environment-related fields.