{ "item_title" : "Methods of Mine Timbering", "item_author" : [" Kerby Jackson", "California State Mining Bureau "], "item_description" : "Mining historian Kerby Jackson introduces us to a classic mining work in this important re-issue of the California State Mining Bureau publication Methods of Mine Timbering. Originally published in 1896, this important publication on mining engineering has not been available for nearly a century. Included are rare insights into historical methods of timbering structural support that were used in underground metal mines during the California that still have a practical application for the small scale hardrock miner of today. Note: This edition is a perfect facsimile of the original edition and is not set in a modern typeface. As such, some type characters and images might suffer from slight imperfections or minor shadows in the page background.", "item_img_path" : "https://covers1.booksamillion.com/covers/bam/1/50/278/618/1502786184_b.jpg", "price_data" : { "retail_price" : "10.99", "online_price" : "10.99", "our_price" : "10.99", "club_price" : "10.99", "savings_pct" : "0", "savings_amt" : "0.00", "club_savings_pct" : "0", "club_savings_amt" : "0.00", "discount_pct" : "10", "store_price" : "" } }

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