{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Examination, mapping, and sampling of mine shafts and underground workings, Leadville, Lake County, Colo.","author_name":"Norman E. Ebbley","thumbnail_url":"https://www.ebooknetworking.net/books/B00/2YG/bigB002YGTODM.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B002YGTODM.html\">Examination, mapping, and sampling of mine shafts and underground workings, Leadville, Lake County, Colo.</a>","width":400,"height":300}