{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Examination questions for certificates of competency as mine inspector, mine foreman, mine manager, fireboss, hoisting engineer, etc. as given by the state examining boards; together with answers 1907 [Hardcover]","author_name":"Anonymous","thumbnail_url":"https://www.ebooknetworking.net/books/noimage.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B011IRBDWM.html\">Examination questions for certificates of competency as mine inspector, mine foreman, mine manager, fireboss, hoisting engineer, etc. as given by the state examining boards; together with answers 1907 [Hardcover]</a>","width":400,"height":300}