Pennsylvania Coal
History of Pittsburgh
Deltas
Fossils
Dictionary
Appalachian Mountains
Sea over North America
Glaciers
Slag
Map of Field Sites
Site References
History Home Page

The Geological History
Of Pittsburgh



Credits


Information at this site was researched and written by John P. Tagg.

Research mentored and made possible by Dr. Kathi Beratan

Web site design and construction by Nick Yankanich

Redesign and reorganization (12/29/00) by Dr. Mike Ramsey