Survey report No. 60 Report on boreholes put down by G.S.O., on the farms Leliefontein 25, Kranspan 85, Leeuwenburg 273, Smitsfield 137, Driefontein 139, coalbank 77, Liefgekozen 183, and Bloemkranz 185, in the Eastern portion of the Ermelo district of Transvaal
Survey report No. 60 Report on boreholes put down by G.S.O., on the farms Leliefontein 25, Kranspan 85, Leeuwenburg 273, Smitsfield 137, Driefontein 139, coalbank 77, Liefgekozen 183, and Bloemkranz 185, in the Eastern portion of the Ermelo district of Transvaal
In September, 1939, an intensive survey of the torbanite occurrences in the vicinity of Mooifontein 287, north of Ermelo, was begun by the Geological survey.
Reference:
Quass, F. 1943. Survey report No. 60 Report on boreholes put down by G.S.O., on the farms Leliefontein 25, Kranspan 85, Leeuwenburg 273, Smitsfield 137, Driefontein 139, coalbank 77, Liefgekozen 183, and Bloemkranz 185, in the Eastern portion of the Ermelo district of Transvaal. http://hdl.handle.net/10204/13058 .
Quass, F. (1943). Survey report No. 60 Report on boreholes put down by G.S.O., on the farms Leliefontein 25, Kranspan 85, Leeuwenburg 273, Smitsfield 137, Driefontein 139, coalbank 77, Liefgekozen 183, and Bloemkranz 185, in the Eastern portion of the Ermelo district of Transvaal Retrieved from http://hdl.handle.net/10204/13058
Quass, FW Survey report No. 60 Report on boreholes put down by G.S.O., on the farms Leliefontein 25, Kranspan 85, Leeuwenburg 273, Smitsfield 137, Driefontein 139, coalbank 77, Liefgekozen 183, and Bloemkranz 185, in the Eastern portion of the Ermelo district of Transvaal. 1943. http://hdl.handle.net/10204/13058
Quass F. Survey report No. 60 Report on boreholes put down by G.S.O., on the farms Leliefontein 25, Kranspan 85, Leeuwenburg 273, Smitsfield 137, Driefontein 139, coalbank 77, Liefgekozen 183, and Bloemkranz 185, in the Eastern portion of the Ermelo district of Transvaal. 1943 [cited yyyy month dd]. Available from: http://hdl.handle.net/10204/13058