{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Report on the relation of railroads to forest supplies and forestry: Together with appendices on the structure of some timber ties, their behavior, ... metal ties; and on the use of spark arresters","author_name":"United States. Forest Service","thumbnail_url":"https://www.ebooknetworking.net/books/B00/39Y/bigB0039YQEAE.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B0039YQEAE.html\">Report on the relation of railroads to forest supplies and forestry: Together with appendices on the structure of some timber ties, their behavior, ... metal ties; and on the use of spark arresters</a>","width":400,"height":300}