George of the Concrete Jungle
Wednesday, October 29, 2014
Troutman recounts billions of years of history in the Mahanoy, Mahantongo and Lykens Valleys
Sunbury Press has released Steve E. Troutman's "Geology of the Mahanoy, Mahantongo, and Lykens Valleys: Something about the Earth We Walk On."
via Books - Latest News http://ift.tt/1zJ6W8W
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