{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"I. C. S. Reference Library: Gases Met With In Mines; Mine Ventilation; Hoisting; Surface Arrangements At Bituminous Mines And Anthracite Mines","author_name":"International Correspondence Schools","thumbnail_url":"https://www.ebooknetworking.net/books/116/166/big1161663614.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1161663614.html\">I. C. S. Reference Library: Gases Met With In Mines; Mine Ventilation; Hoisting; Surface Arrangements At Bituminous Mines And Anthracite Mines</a>","width":400,"height":300}