Geologist Talks Marcellus Shale at Lock Haven Clearfield Campus
March 17, 2011 by Steven McDole · Leave a Comment
CLEARFIELD – The latest Lock Haven University Clearfield Campus Speaker session was a geologist’s view on Marcellus Shale. The speaker was Professor Tristan Ashcroft from Lock Haven. Ashcroft had been working in Nevada for a few years on his doctorate. When he left the area Marcellus Shale was known, but it wasn’t that large of [...]
