{ "item_title" : "Sources, Transport, and Storage of Sediment at Selected Sites in the Chesapeake Bay Watershed", "item_author" : [" U. S. Department of the Interior "], "item_description" : "The Chesapeake Bay Watershed covers 165,800 square kilometers and is supplied with water and sediment from five major physiographic provinces: Appalachian Plateau, Blue Ridge, Coastal Plain, Piedmont, and the Valley and Ridge. Suspended-sediment loads measured in the Chesapeake Bay Watershed showed that the Piedmont Physiographic Province has the highest rates of modern (20th Century) sediment yields, measured at U.S. Geological Survey streamflow-gaging stations, and the lowest rates of background or geologic rates of erosion ( 10,000 years) measured with in situ beryllium- 10.", "item_img_path" : "https://covers2.booksamillion.com/covers/bam/1/49/611/108/1496111087_b.jpg", "price_data" : { "retail_price" : "17.99", "online_price" : "17.99", "our_price" : "17.99", "club_price" : "17.99", "savings_pct" : "0", "savings_amt" : "0.00", "club_savings_pct" : "0", "club_savings_amt" : "0.00", "discount_pct" : "10", "store_price" : "" } }

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