{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Paleotectonic Investigations of the Pennsylvanian System in the United States. Part 1. Interpretive Summary and Special Features of the Pennsylvanian System, 1975, Geological Survey Professional Paper, PP 853 part 2 : 192 pages with 31 figures and 2 tab","author_name":"E. D. and Crosby, E. J. Mckee","thumbnail_url":"https://www.ebooknetworking.net/books/noimage.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B002I7C08S.html\">Paleotectonic Investigations of the Pennsylvanian System in the United States. Part 1. Interpretive Summary and Special Features of the Pennsylvanian System, 1975, Geological Survey Professional Paper, PP 853 part 2 : 192 pages with 31 figures and 2 tab</a>","width":400,"height":300}