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a c j hickman
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Clay deposits of the Lusaka area
A. C. J. Hickman · Obtainable from the Director, Geological Survey Department, Ministry of Lands and Mines
46 sayfa · 1967
Clay
The Anglo-Chilean Patagonian Expedition general expedition report
A. C. Newton, M. J. K. Hickman, Anglo-Chilean Patagonian Expedition (1985) · The Expedition
88 sayfa · 1987
Discoveries in geography