{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Some conservation problems of the Great Lakes;: [address given at the joint technical program of the American Geophysical Union and the American ... Natural History Survey. Biological notes)","author_name":"Harlow Burgess Mills","thumbnail_url":"https://www.ebooknetworking.net/books/noimage.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B0007H1EW4.html\">Some conservation problems of the Great Lakes;: [address given at the joint technical program of the American Geophysical Union and the American ... Natural History Survey. Biological notes)</a>","width":400,"height":300}