{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Geometric highway and culvert design: 6 reports prepared for the 53rd annual meeting of the Highway Research Board (Transportation research record)","author_name":"National Research Council (U.S.)","thumbnail_url":"https://www.ebooknetworking.net/books/030/902/big0309023637.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0309023637.html\">Geometric highway and culvert design: 6 reports prepared for the 53rd annual meeting of the Highway Research Board (Transportation research record)</a>","width":400,"height":300}