National Geological Surveys in the 21st century : program and abstracts = Les commissions géologiques nationales au XXIe siècle : programme et résumés : International Conference of Geological Surveys : April 12-14, 1992, Ottawa Congress Centre, Ottawa, Canada.
International Conference of Geological Surveys (1992 : Ottawa, Canada) Canada Centre for Mineral and Energy Technology.; Mining Association of Canada.; Placer Dome Inc.
Ottawa, Canada : The Conference 1992
Localização:
IGC - Instituto de Geociências
(550.601 I61s 1992 )(Acessar)
[South Africa 1:250,000 aeromagnetic and airborne radiometric surveys] [South Africa 1:250 000 lugnagnetiese en lugradiometriese opname] West Coast, Namaqualand Weskus Namakwaland
Geological Survey (South Africa) Aero Service Corporation
Pretoria Government Printer 1973
Localização:
IGC - Instituto de Geociências
(MP M4-132 )(Acessar)
[South Africa 1:250,000 aeromagnetic and airborne radiometric surveys] [South Africa 1:250 000 lugnagnetiese en lugradiometriese opname] Warmbad area Gebied Warmbad
Geological Survey (South Africa) Geo-Mapping Services Ltd. (Johannesburg, South Africa); A.O.C. Technical Surveys (Johannesburg, South Africa)
Pretoria Government Printer 1975?
Localização:
IGC - Instituto de Geociências
(MP M4-143 )(Acessar)
[South Africa 1:250,000 aeromagnetic and airborne radiometric surveys] [South Africa 1:250 000 lugnagnetiese en lugradiometriese opname] Griekwastad area Gebied Griekwastad
Geological Survey (South Africa) Geo-Mapping Services Ltd. (Johannesburg, South Africa); A.O.C. Technical Surveys (Johannesburg, South Africa)
Pretoria Government Printer 1975?
Localização:
IGC - Instituto de Geociências
(MP M4-146 )(Acessar)