Prospecting for refractory clay on the east Rand
By: by J. H. Bredell.
Series: Bulletin - Geological Survey ; 62; Bulletin (Geological Survey (South Africa)) ;; 62.
Publisher: Dept. of Mines, Geological Survey
Published: 1978
Place of publication: Pretoria
Language: eng
Number of pages: 20
Subjects: Prospecting -- South Africa -- Witwatersrand.; Clay -- South Africa -- Witwatersrand.
Notes: Summary in Afrikaans.