{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Safety practices in shaft sinking and tunneling: West Delaware aqueduct","author_name":"William. Rachunis","thumbnail_url":"https://www.ebooknetworking.net/books/B00/41K/bigB0041KJFZQ.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B0041KJFZQ.html\">Safety practices in shaft sinking and tunneling: West Delaware aqueduct</a>","width":400,"height":300}