{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Transactions of the American Society of Civil Engineers, vol. LXX, Dec. 1910 Federal Investigations of Mine Accidents, StructuralMaterials and Fuels. Paper No. 1171","author_name":"Herbert M. Wilson","thumbnail_url":"https://www.ebooknetworking.net/books/B00/82S/bigB0082S1FEC.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B0082S1FEC.html\">Transactions of the American Society of Civil Engineers, vol. LXX, Dec. 1910 Federal Investigations of Mine Accidents, StructuralMaterials and Fuels. Paper No. 1171</a>","width":400,"height":300}