Author:Berry, HDate:1949This colliery is situated on the farm Vlaklaagte 35, close to the northern boundary of the Bethal Magisterial District and approximately midway between the towns of' Witbank and Bethal.Read more
Author:Boshoff, HPDate:1961This report provides details of four boreholes drilled on the farm Schuilplaats 4267 in the Dundee district of Natal. The data on which this report is based are contained in tables and figures at the end of the report.Read more
Author:Savage, WHDDate:1965In Report No. 7 of 1965, in situ reserves of coal suitable for use a power station on site were calculated for the farm Boschmansfontein 12IS, the Witbank district of Transvaal.Read more
Author:Savage, WHDDate:1969Four reports, covering boreholes 1 to 54, 55 to 156 to 215, and 218 to 315, were issued on official drilling of the No. 5 seam of the Witbank coalfield.Read more
Author:Savage, WHD; Briel, JMDate:1969During the years 1956 and 1957, Messrs. Union Corporation Ltd., drilled 9 boreholes on the farm Springbokdraai 277 I.S situated approximately 10 miles south-east Leslie, Transvaal.Read more
Author:Boshoff, HPDate:1972During 1967 officers of the Institute too samples at three faces in the Dumbe colliery, situated approximately 2 miles (3 km) to the south east of Paulpietersburg, Natal.Read more
Author:Pretorius, EDate:1979During the years 1962 and 1964, seven boreholes were drilled on three farms situated approximately fifteen kilometers south of Delmas by Delmas Colliery Ltd. Of these boreholes three were drilled on the farm Couwenburg, two on Strijdpan and ...Read more
Author:Quass, FWDate:1943This report details a series of six boreholes put down by the Anglo-Transvaal collieries Ltd., on the farm Grootpan in the Witbank District of Transvaal.Read more
Author:Quass, FWDate:1943In September, 1939, an intensive survey of the torbanite occurrences in the vicinity of Mooifontein 287, north of Ermelo, was begun by the Geological survey.Read more
Author:Gaigher, BDate:1944During the period December 1941 to January 1942, three boreholes were put down by the Middleburg Steam Coal and Coke Company on the farms Hartebeesfontein and Blesbokfontein in the Bethal district of Transvaal.Read more
Author:Gaigher, BDate:1944During 1942 a series of 14 boreholes was put down by the South African Iron and Steel Industrial Corporation on the farms Welstand 34, Rietkuil 27, Diepspruit 25 and Roodepoort 24, in the Bethal District of TransvaalRead more
Author:Van der Merwe, CCDate:1945This report deals with the characteristics of the coal as revealed by both these drilling programmes, although boreholes No. 1/41, 2/41 and 3/41 were excluded from the composite samples that were made up.Read more
Author:Savage, WHDDate:1949A series of 12 boreholes was drilled by Messrs.Sebato Investments Ltd. on the north-western portion of Elandsfontein 8 district in the years 1945 and 1946.Read more
Author:Du Plessis, C; Landman, KDate:Jul 2002The report is divided into four parts which consist of seven chapters. Within human settlement context the report’s understanding of sustainable development is one of an integrative and holistic process of maintaining a dynamic balance between ...Read more
Author:Baird, D; Hanekom, NM; Grindley, JRDate:Jan 1986The Swartkops Estuary is an exceptionally valuable environment feature for the Port Elizabeth metropolitan area. Just as Cape Town has Table mountain, so Port Elizabeth has the Swartkops Estuary as a natural area. Despite the intensive urban ...Read more
Author:Baird, D; Marais, JFK; Martin, APDate:1988The Swartkops estuary has been an object of study for many years and research results obtained during the past 30 years were considered at a symposium in 1987. This report documents the proceedings of this symposium as well as conclusions and ...Read more
Author:Baird, D; Marais, JFK; Martin, APDate:1988The Swartkops estuary has been an object of the study for many years and research results obtained during the past 30 years were considered at a symposium in 1987. This report documents the proceeding of this symposium as well as conclusions ...Read more
Author:Estuarine and Coastal Research Unit, ECRUDate:Apr 1981The estuary falls within a strict security area of the Koingnaas mining concession of De Beers Consolidated Diamond Mines. Due to the active mining operations in the immediate vicinity of the estuary, security clearance is required. The ...Read more
Author:Whitfield, AK; Allanson, BR; Heinecken, TJEDate:Dec 1983Swartvlei ranks among the most intensively studied of all Cape estuarine systems. The hydrology of the Swartvlei catchment has been investigated by then the Department of Water Affairs, hydrographic survey have been conducted by the Coastal ...Read more
Author:O'Connor, TGDate:Oct 1985The purpose of this synthesis of long term experiments was to develop an account of how the principal determinants (rainfall, soil type, woody/grass ratio, herbivory, fire) influence the dynamics of the grass layer of southern African ...Read more