{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Soil Exhaustion as a Factor in the Agricultural History of Virginia and Maryland, 1606-1860 (Southern Classics (Univ of South Carolina))","author_name":"Avery Odelle Craven","thumbnail_url":"https://www.ebooknetworking.net/books/157/003/big1570036810.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1570036810.html\">Soil Exhaustion as a Factor in the Agricultural History of Virginia and Maryland, 1606-1860 (Southern Classics (Univ of South Carolina))</a>","width":400,"height":300}