exploration, exploitat ion, treatment and finance-- that have par t icular relevance to Africa. A variety of pre-and post-conference tours, both technical and social, will be offered. For more informat ion write: Conference Office, The Insti tut ion of Mining and Metallurgy, 44 Portland Place, London WIN 4BR, England. Tel: 01-580 3802. Telex: 261410 IMM G.

August 31- September 2 Dublin, Ireland

9th European Conference on Soil Mechanics

and Foundation Engineering

The theme of this conference, which is sponsored by the Internat ional Society of Soil Mechanics and Foundat ion Engineers, is groundwater effects in geotechnical engineering. For more informat ion write: Dr. Trevor Orr, Secretary General, IX ECSMFE, Civil Engineering Dept., Tr in i ty College, Dublin 2, Ireland.

August 30-Sept. 3, 1987 6th International Montreal, Canada Congress on Rock Mechanics

Sponsored by the Internat ional Society for Rock Mechanics, this congress will focus on four main themes: f lu id flow and waste in rock masses; rock foundat ions and slopes; rock blasting and excavation; and underground openings in overstressed rock. Eight pre- and post-Congress tours in Canada will be offered. A trade show will be held in conjunction with the Congress. For more informat ion write: ISRM Congress 1987, 1130 Sherbrooke St, W, Suite 400, Montreal, Quebec, Canada H3A 2M8.

October 21-23, 1987 Bordeaux, France

Bordeaux International Conference on Cities and Subsurface Use

Sponsored by AFTES, this conference will deal with the following topics: use of the subsurface as a major asset in urban development; and planning and construction of underground works ( including selection cri ter ia for the underground al ternat ive, construction methods and equipment, construction and management costs, and case histories). For more informat ion write: Mme. J. Boiler, AFTES Conference, SEMALY, 25 tours Emile Zola, 69625 Villeurbanne, Cede.x, France. Tel: 78 93 90 09. Telex: 380801 F.

November 23-27, 1987 Essen, West Germany

STUVA Conference '87

For more information, write: Dr.-Ing. F. Blennemann, STUVA, Mathias-Bruggen-Str. 41. D- 5000 Koln 30, West Germany.

March 8-11, 1988 Kuala Lumpur, Malaysia

Asian Mining '88

Organized by the Insti tut ion of Mining and Metallurgy, Asian Mining '88 is devoted to the development of t h e Asian minerals industry-- geology, mining, mineral processing, and metallurgy. The conference will deal with the economics, exploration, evaluation, mining, mineral processing, and metallurgy of Asian minerals. The main aim of the conference will be to provide a forum for the discussion of minerals industry research and practice, as well as mining projects and opportunit ies for investment in mining within the region. For information write: Conference Office, Insti tution of Mining and Metallurgy, 44 Portland Place London WIN, 4BR, England. Tel: 01-580-3802. Telex 261410.

April 17-22, 1988 London, England

Tunnelling '88

The Inst i tut ion of Mining and Metallurgy will hold this f i f th internat ional symposium and exhibi t ion at the Kensington Rainbow Exhibit ion Centre. For more information write: The Inst i tut ion of Mining and Metallurgy, 44 Portland Place, London WIN 4BR, England. Tel: 01-580 3802. Telex: 261410.

June, 1988 Madrid, Spain

14th Annual Meeting of the ITA

The ITA's general assembly meeting will be held in conjunction with this Congress, the theme of which is "Water in Tunnels." For more informat ion write: ITA/AITES Secretariat , 109 Av. Salvador Allende, 69500 Bron, France.

1989 15th Annual Meeting Toronto, Canada of the ITA

For more information write: Dr. Peter Kaiser, Dept. of Civil Engineering, The Universi ty of Alberta, Edmonton, Alberta T6G 2G7, Canada.

402 TUNNELLING AND UNDERGROUND SPACE TECHNOLOGY Volume 1, N u m b e r 3/4, 1986