{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Mining Calculations: For the Use of Students Preparing for the Examinations for Colliery Managers' Certificates, Comprising Numerous Rules and Examples in Arithmetic, Algebra, and Mensuration","author_name":"O, Thomas Aloysius","thumbnail_url":"https://www.ebooknetworking.net/books/054/376/big0543769348.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0543769348.html\">Mining Calculations: For the Use of Students Preparing for the Examinations for Colliery Managers&#039; Certificates, Comprising Numerous Rules and Examples in Arithmetic, Algebra, and Mensuration</a>","width":400,"height":300}