Saudi Arabia

SAUDI ARABIA

BOOYENS,O.H., PO Box 72489, PARKVIEW,2122 Jol~annesburg BOTHA. p . j. , 35 van der Stel Road, CULLENBORGPARK

SADAGAH, Bahaaeldin H., Or. Engng Geology Oept,Fac.of Earth Sciences King Abdulaztz Univ.. PO Box 1744, 21441 Jeddoh tlg: FX:010-966-2-6800416 SHEHATA,W11Ilam H., Sen.Res.Sctentlst Univ. of Petroleum & Minerals, PO Box 1751, 312610hahren t l x : 801060 UPM SJ, t l p : (02)860-2811 tlg: A L - ~ H , Oharan

BRACKLEY,I.J.A.

1760 Randfonteln ". Dr., Eng., 14 Clovelly Road, SUNNYRIDGE 5201 East London BRADBURY.T.J., Dr., Eng., Khutala M1nlng Services PO Box 440, 2230 Ogles BRADLEY. j . , Mining Eng., 37 Fellcta Avenue, GEELHOUTPARK 0300 Rustenburg BRADSHAW, R.A. +, Geologist, II Sussex Sir., 7700 C1aremmnt BRENTLEY. K.R.. Rock Mech.Officer 40 Bashee Street. ST HELENA, 9459 Welkom

BRIGGS, D.J., Dr., CO~of S.A.Res.Organlzetlon PO BOx 91230, ALW:XLANOPARK, 2006 Johannesburg Randfonteln Estates GOld Mining Co.,Ltd. PO Box 3671, 2125 Randfontetn BRINK, A.Z., Eng., 100 Steyn Str., 2515 Fochvtlle BRINKMAN, J.R., Eng., COH of S.A.Res.Organizatton PO Box 91230, AUCKLANdPARK, 2006 Johannesburg t l x : 426070, tlp: 726-3020 BRONKHORST,L.U., Flnsch Mine, PO Box 7, 8410 Lime Acres BROOME,M.T., Eng., Zaabla Cons. Copper Mines Ltd PO Box 260071, KALULUSHI, ZAMBIA BROWN,A.A., M1nlng Eng., 32 Korhaan Street, FLJ~41NGOPARK 9459 WeIkom BROWN,A.N., Prof., Mln.Eng., Univ. of Pretoria Dept of Mining, Lynnwood Rd, 0002 Pretorta BROX. O,R., Geotech.Eng., c/o HDTC/HWOC, PO Box 1859 2125 Randburg BRUCE. S.H., Engineering Geol., West Drlefontetn Gold Mine Rock Mechanlcs, Dept, Private Bag X2011 2500 Car felony I l le BRUMMER,R.K. ", Dr, Civ.Eng., Univ. of the Wltwatersrand Oept of Mln.Engng, Jan Smuts Av., 2001 Johannesburg BUDAVARI, s., prof., Mtn.Eng., Univ. of the Wltwatersrand Dept of Mtn.Engng, Jan Smuts Av., 2001 Johannesburg BUDOERY, P.S., Dr., Eng., GENCOR,PO Box 653, 1035 Wltbank BURGERS, A. ", Clv.Eng., 38 Loch Rd, 7700 Rondebosch BURKE, J.J., western Areas Gold Mine Rock Mechanics Dept, PO Box 57, 1780 Westonarla BURT, K.W. ", Eng., I Sprlngfield Road. 7700 Rondebosch BURTT, H.H., 33 Saldanha Sir.. CRYSTALPARK, 1500 Benonl BUTCHER,R.J., Mining Eng., AAC: Rock Mechanics Department PO Box 2083, 9460 Welkom CAHNBLEY,H.K.R., Dr., Eng., 18 Jacquellne Ave., NCRTHCLIFF 2195 Johannesburg CALITZ, w.J., [36 Greyllng Str., 2520 Potchefstroom CAMBITZI, c.. Geologist. Western Deep Levels (West) Ltd. Rock Mech. Dept, PO Box 8001, 2501 Western Levels

SOUTH AFRICA(,. 3.

BRINCH, G.H.,

SOUTHAFRICANNATIONALGROUPON ROCKMECHANICS Attn: Miss S.A. Thorpe POBOx 61809, Harshelltown 2107 tlp: 2711 726 3020; t l x : 4-26070 ~A; fax: Oll 726 5405 Chairmen: Dr. T.R. Stecey Secretary: Hiss S.A. Thorpe Supporting members - 3 Ordinary members - 443

CH.OF MINES OF SA. (SupportingM.) Chamber of Hines of South Africa 5 Hollard Street, PO Box 809, 2000 Johannesburg

GOLD FIELDS OF SA, (SupportingM.) Gold Fields of South Africa Ltd. 75 Fox Street, PO Box 1167, 2000 Johannesburg

STEFFEN ROB.& KIRST., (SupportingM.) Steffen Robertson & Klrsten Inc. Andersonstraet 20, Poatbus 8856, 2000 Johannesburg A I ) ~ S , D.J., Goologlst, C0H Research Organization PO Box 91230, AUCKLANDPARK, 2006 Johannesburg AKERMANN,K.A., 40 Silver Street, 2520 Potchefstroo~ APPLEC,ATE. J.O., Min.Eng., Elendsrand Gold Mining Co Ltd Rock Mech, Dept, Prlvate Bag X2025, 2500 Carletonv111e ARENSTEIN. W.B.R., Capltol Controller 18 von Wielllgh Street, 0300 Rustenburg ARNOLD, O.A., PO Box 8097, 2501 Western Levels

ASHBRIDGE, M.P., Geotech.Eng. AEcI Explosives & Chemicals Ltd. PO Box 1122 20(W) Johannesburg BAKKER. 0., Gov.Mining Eng., Private Bag X59, 0001 Pretoria BALT, K.D., PO BOx 5334, DORINGKRUIN,2571 Klerksdorp BANNING, J.A., Elandsrand Gold H1nlng Co., Ltd. Rock Hechenlcs Dept., Private Bag X2025 2500 Carletonvll le BARKER. O . B . . , Geologist, Barker & ASSOC. PO BOx 31823, BRAP~:ONTEIN,2017 Johannesburg BARTKOWIAK,G., WIMICO(KBC), PO BOx 7798, 2000 Johannesburg t l p : 011 792 3630, tlg: FAX: 011 792 3626 BARTLETT, P.J., Geologist, Premier Mine, PO Box 44 lO00 Culllnan BAYLESS, K.A., Rock MaC. Eng., BSC Mining Engineering PO Box 3267, 1786 Glenharvte, tlp: (011) 752-2231 x 123 t l g : FAX: 752-3085

CN4ERON-CLARKE, I.S., Eng., Geologist Steffen Robertson & Klrsten Inc.. PO Box 8856 2000 Johannesburg, tlp: 011-8321201 CARTER.C.A., Eng., Nlnham Shand Inc., PO Box 1347 8000 Cape Town CARVILL, P.G., Engng Geologlst N~COAL Research & Development, P/Bag X555 2245 Van DyksDrlf, t l x : 48-5503, t l p : 01352-515/6/7/8 CASSIDY, J.M., Steeledag Ply Lid, PO BOx 1210ty Sir. 2000 Johannesburg CASTELYN,F.J., Eng., PO Box 229, FERNDALE, 2160 Randburg CHIPPS, R.R., Klerksdorp District Seismic Network PO Box 641, 2550 Stilfonteln CHRISTENSEN,J.J. *, PO Box 6, 0001 Pretorla CLAEYS, W.D., Geologlst, AMCOALResearch & Development Private Bag X555, 2245 Vendyksdrlf CLANAHAN,C.R.H., Civ.Eng., B.S. 8ergmn & Partners 130 Rosemill Av., ATHO(.HURST, 2196 Johannesburg CLEMENTS, I.K., Eng., Freysslnet SA (Pty) Ltd., PO Box 33 1665 01ifantsfontetn COCKCROFT,T.N., Eng., Van Nlekerk, Kleyn & Edwards Hycestle House, 58 Loop Sir., 8001 Cape Town, t l x : 524521 tlp: (0) 021-239281, tlg: V~LED, Cape Town COETZER.s.J.. NMERI, CSTR, PO Box 395, 0001 Pretorta COGGAN.J.S., Dr.,Mln.Eng.. Roch Mechanics Dept, Veal Reefs PO Box I038, 2620 Orkney

BELOVEY, w.E.F. *, EngngGeologlst 86 Duke of York Drive, N(~THCLIFF, 2195 Johannesburg Eng., FOSROC(Ply) Ltd., PO BOx 3850 1451 Alrode BENZINGER, E.W., GeomechantcsOtv. EMA, CSIR, PO Box 395 O001 Pretor la BERRY, N.G., Bestobeil Mine Supports Pty Ltd, PO Box 8035 140(5 Elandsfonteln BEUKES. J,S., Man.Eng., 14 Elend Rd, ROBINHILLS 2194 Randburg BHANA, J.H., 8 ChrlstJne Str. Northview, 8301 Kimberley tlp: 0531-42208 BIONDI, P.A. +, Geologist, 13 Mulbarton Sir., ROBINDALE 2194 Randburg BOHME,R.C., Eng.. WIMICO, PO Box 7798, 2000 Johannesburg BONIFACE, A., Eng., Keeve Steyn Inc. PO Box 31021, BPJVV~cONTEIN,2017 Johannesburg

BENN, B.T.,

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