{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Historical Agriculture and Soil Erosion in the Upper Mississippi Valley Hill Country","author_name":"Stanley W. Trimble","thumbnail_url":"https://www.ebooknetworking.net/books/146/655/big1466555742.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1466555742.html\">Historical Agriculture and Soil Erosion in the Upper Mississippi Valley Hill Country</a>","width":400,"height":300}