Author:Boshoff, HPDate:1961This report investigates 3 boreholes drilled on the farm Driefontein 70 and Rolfontein 40 in the Amersfoort district and Nooitgedacht 105 in the Ermelo District of Transvaal. Coal cores were used for description and sampling, taken from the ...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