{"product_id":"1968-us-army-corps-rock-stress-report-fairhurst-in-situ-mining-1","title":"1968 US Army Corps Rock Stress Report Fairhurst In-Situ Mining","description":"Original Cold War–era government technical report titled Methods of Determining In-Situ Rock Stresses at Great Depths by Charles Fairhurst.\u003cbr\u003e\u003cbr\u003ePrepared for the U.S. Army Corps of Engineers (Missouri River Division) and funded by the Defense Atomic Support Agency, February 1968.\u003cbr\u003e\u003cbr\u003eThis specialized engineering\/geology publication focuses on underground stress measurement and rock mechanics—useful for mining engineers, geotechnical researchers, Cold War historians, and military technology collectors.\u003cbr\u003e\u003cbr\u003eCondition:\u003cbr\u003e\u003cbr\u003eFair \/ Acceptable. Original softcover report format with three-hole punch binding. Cover shows noticeable edge wear, creasing, discoloration, and age toning. Page edges are wavy from storage. Interior pages appear intact and readable. See photos for exact condition.\u003cbr\u003e\u003cbr\u003eShips well packed via Media Mail or Ground Advantage.\u003cbr\u003e\u003cbr\u003eSKU B-1","brand":"Second Chapter Book Co.","offers":[{"title":"Default Title","offer_id":67706357186808,"sku":null,"price":90.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0859\/1025\/7912\/files\/c926f52f-e0cb-4054-ae1c-1d67b913c5c4.jpg?v=1792228167","url":"https:\/\/secondchapterbookco.com\/products\/1968-us-army-corps-rock-stress-report-fairhurst-in-situ-mining-1","provider":"Second Chapter Book Co.","version":"1.0","type":"link"}