Wednesday, 29 October 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."



from Books - United States - Latest News http://ift.tt/1zJ6W8W

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