Boorplekaanwysing vir water op die serie Ecca en meegaande doleriet van Suidoos-Transvaal
Subtitle: Selection of bore-hole sites for water on the Ecca series and associated dolerite of the Southeastern Transvaal
By: Deur J.R. Vegter en G.J. Ellis
Contributors: Ellis, G. J., author
Series: Republic of South Africa. Dept. of Mines. Geological Survey. Bulletin 50; Bulletin (Geological Survey (South Africa)) -- 50.
Publisher: Staatsdrukker
Published: 1968
Place of publication: Pretoria
Language: dut
Number of pages: 81
Subjects: Groundwater; Borings
Notes: Summary in English.

Bibliography: p. 77-78.