{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Regularly scheduled maintenance increases wood pole lifespan.(Engineering & Operations): An article from: Bulletin (Northwest Public Power Association)","author_name":"Nelson P. Holmberg","thumbnail_url":"https://www.ebooknetworking.net/books/noimage.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B0008E1F5W.html\">Regularly scheduled maintenance increases wood pole lifespan.(Engineering &amp; Operations): An article from: Bulletin (Northwest Public Power Association)</a>","width":400,"height":300}