Yazar
Robert K Johns
11 cilt bulundu.
Cilt sonuçları
Mineral resources of the Adelaide geosyncline
Robert K. Johns · South Australian Dept. of Mines and Energy
66 sayfa · 1988
Mines and mineral resources
Base metal mineralization in the Pernatty Lagoon region
Robert K. Johns · Dept. of Mines, Geological Survey of South Australia
28 sayfa · 1974
Nonferrous metals
Base metal occurrences within lower Cambrian sediments of the northern Flinders ranges
Robert K. Johns · A. B. James, Govt. Printer
67 sayfa · 1972
Geology, Stratigraphic / Ore deposits / Sediments (Geology) / Stratigraphic Geology / Gîtes minéraux
Investigation of Lake Eyre
Robert K Johns · W.L. Hawes, Govt. printer]
104 sayfa · 1962
Borings / Geology / Geology, Stratigraphic / Stratigraphic Geology
Cornish mining heritage
Robert K. Johns · Dept. of Mines and Energy
50 sayfa · 1986
Mines and mineral resources / Mining engineering / History