Mountain Press Publishing Missoula Montana
David Harper
David P. Harper was with the New Jersey Geological Survey for twenty years and the New Jersey Site Remediation Program for eight years before retiring in 2002 to work as a site remediation consultant. During his long career as an education, he taught geology at Rider University, Mercer County Community College, and New Jersey City University and served as President of the Geological Association of New Jersey.

   Roadside Geology of New Jersey