01736oam 2200517I 450 991070567610332120170516085552.0(CKB)5470000002451633(OCoLC)986229155(OCoLC)995470000002451633(EXLCZ)99547000000245163320170508d1942 ua 0engurbn|||||||||txtrdacontentcrdamediacrrdacarrierUse of subaudible noises for the prediction of rock burstsPart II /by Leonard Obert and Wilbur I. Duvall[Washington, D.C.] :U.S. Department of the Interior, Bureau of Mines,1942.22 pages (some folded) illustrations ;27 cmR. I. ;3654At head of title: United States Department of the Interior, Bureau of Mines.As of 05/08/2017, GPO could not validate the distribution status of this title for the FDLP.Includes bibliographical references.Rock burstsRock mechanicsRocksTestingRock burstsfastRock mechanicsfastRocksTestingfastRock bursts.Rock mechanics.RocksTesting.Rock bursts.Rock mechanics.RocksTesting.Obert Leonard1906-519739Duvall Wilbur I.United States.Bureau of Mines,GPOGPOGPOBOOK9910705676103321Use of subaudible noises for the prediction of rock bursts3436989UNINA