GEO 373 Structural Geology class on a visit to the Bear Valley mine in central Pennsylvania, where 20th century strip mining has exposed once-buried folds, fractures and faults. From left to right: Prof. Blair Schoene, Galen Cadley ‘21, Asten Mazenko ‘24, Isabel Koran ‘22, GEO staff member Laurel Goodell, and Hannah Szabo ’22.