{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"The 1965 Speleo digest ; A collection of speleological writings taken from the publications of the chapters of the National Speleological Society","author_name":"Herbert L. ; Haarr, Allan P. National Speleological Society ; Black","thumbnail_url":"https://www.ebooknetworking.net/books/noimage.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B002QE2R1S.html\">The 1965 Speleo digest ; A collection of speleological writings taken from the publications of the chapters of the National Speleological Society</a>","width":400,"height":300}