Historical lead mine sites in Pa. studied
By Ryan Brown, ALTOONA MIRROR
ALTOONA, Pa. - Cold wind blew across a Tyrone Township farm field Saturday as a handful of geologists and Juniata College students gathered atop mysteriously bare patches of ground.
To the untrained eye, the patches might just look like the sites of a poor harvest. But the geology students, led by professor Ryan Mathur, saw something else: the possible sites of long-abandoned lead mines, perhaps going back to the 1770s.
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