John W. Jengo

John Jengo is a professional geologist and licensed Site Remediation Professional who works for an environmental consulting firm in Pennsylvania, specializing in hydrocarbon remediation and dam removals to restore migratory fish passage. He has published numerous articles in We Proceed On since 2002 on the subject of Lewis and Clark's mineral collection and the significance of scientific influence of their geological discoveries.

Articles on this site by John W. Jengo: