{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Geology of the Venezuelan Guayana Shield at 1:500,000 scale: A digital representation of maps published by the U.S. Geological Survey (U.S. Geological Survey open-file report)","author_name":"Paul G Schruben","thumbnail_url":"https://www.ebooknetworking.net/books/noimage.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B0006PG4WW.html\">Geology of the Venezuelan Guayana Shield at 1:500,000 scale: A digital representation of maps published by the U.S. Geological Survey (U.S. Geological Survey open-file report)</a>","width":400,"height":300}