Author:Streicher, SFDate:1964The FRI was requested to carry out washability determinations on a bulk sample of anthracite from Boschkranz, Paulpietersburg district.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