{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Methods and costs of shaft sinking in the Coeur d'Alene District, Shoshone County, Idaho","author_name":"McWilliams, John R.","thumbnail_url":"https://www.ebooknetworking.net/books/B00/2WT/bigB002WTC8EI.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B002WTC8EI.html\">Methods and costs of shaft sinking in the Coeur d&#039;Alene District, Shoshone County, Idaho</a>","width":400,"height":300}