Similar Items: The underground water-bearing properties of some of the more important formations in the Union and portions of South-West-Africa
- The design, development and vibration analysis of a high-speed aerostatic bearing
- Quantification of production risk in the underground mine planning process
- Structural analysis of fractures around underground excavations on a Witwatersrand gold-mine
- The geology of the coal-bearing rocks of the Karoo Sequence in the Tshikondeni Mine area, northern Transvaal
- Critical factors concomitant to the physiological development of alternate bearing in citrus (Citrus spp.)
- Observations on the tectonics and stratigraphy of portions of Bechuanaland and Griqualand West