{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Evaluation of a radioisotopic X-ray drill-hole probe: delineation of lead ores","author_name":"Harold E. Marr","thumbnail_url":"https://www.ebooknetworking.net/books/B00/3YM/bigB003YMMH02.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B003YMMH02.html\">Evaluation of a radioisotopic X-ray drill-hole probe: delineation of lead ores</a>","width":400,"height":300}