{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Labor force participation rates in the Pacific Northwest by power supply area, 1950-1960 (Pacific Northwest economic base study for power markets)","author_name":"Donald J Morey","thumbnail_url":"https://www.ebooknetworking.net/books/noimage.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B0007HD29C.html\">Labor force participation rates in the Pacific Northwest by power supply area, 1950-1960 (Pacific Northwest economic base study for power markets)</a>","width":400,"height":300}