{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Monolithic concrete silos: the Polk system of re-enforced monolithic concrete construction","author_name":"Genung, Polk co., Fort Branch, Ind., . Polk","thumbnail_url":"https://www.ebooknetworking.net/books/B00/6PX/bigB006PXHYX2.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B006PXHYX2.html\">Monolithic concrete silos: the Polk system of re-enforced monolithic concrete construction</a>","width":400,"height":300}