{ "item_title" : "Status of Native and Invasive Crayfish in Ten National Park Service Properties in Pennsylvania", "item_author" : [" Robert F. Carline", "Hannah M. Ingram", "National Park Service "], "item_description" : "The work provides an updated crayfish species lists for ten National Park Service (NPS) properties in Pennsylvania after conducting comprehensive crayfish surveys of selected streams within the parks.", "item_img_path" : "https://covers3.booksamillion.com/covers/bam/1/49/217/015/1492170151_b.jpg", "price_data" : { "retail_price" : "18.99", "online_price" : "18.99", "our_price" : "18.99", "club_price" : "18.99", "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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