{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Proceedings of the convention of iron and steel manufacturers and iron ore producers, at Pittsburgh, Tuesday, May 6, 1879","author_name":"American Iron and Steel Association","thumbnail_url":"https://www.ebooknetworking.net/books/B00/3SH/bigB003SHDV76.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B003SHDV76.html\">Proceedings of the convention of iron and steel manufacturers and iron ore producers, at Pittsburgh, Tuesday, May 6, 1879</a>","width":400,"height":300}