01188nam 2200361Ka 450 991069686310332120080724074749.0(CKB)5470000002382250(OCoLC)235941089(EXLCZ)99547000000238225020080724d1988 ua 0engtxtrdacontentcrdamediacrrdacarrierHorizontal trajectories of rotary-drilled holes[electronic resource] /by Tobias W. Goodman and Joseph Cervik[Pittsburgh, Pa.?] :U.S. Dept. of the Interior, Bureau of Mines,[1988]11 pages digital, PDF fileReport of investigations ;9177Title from title screen (viewed on July 23, 2008).BoringCoal mines and miningBoring.Coal mines and mining.Goodman Tobias W1406794Cervik Joseph1389517United States.Bureau of Mines.GPOGPOBOOK9910696863103321Horizontal trajectories of rotary-drilled holes3508634UNINA00918nam0 22002411i 450 UON0017797520231205103120.36920030730d1984 |0itac50 baitaIT|||| 1||||Storie allo specchioGianfranco AlbanoMaricla SellariTorinoEri198 4 - 195 p. ; 24 cm.001UON001713282001 Videolibri 210 TorinoERI38ItaliaStudi socialiUONC034561FIALBANOGianfrancoUONV099844675350SELLARIMariclaUONV099845ITSOL20250808RICASIBA - SISTEMA BIBLIOTECARIO DI ATENEOUONSIUON00177975SIBA - SISTEMA BIBLIOTECARIO DI ATENEOSI B H 0380 SI SC 15967 5 0380 Storie allo specchio1281072UNIOR