REFERENCES
Maps and photographs
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- South Africa . 1970 . 1:250 000 topographical sheet 3322 Oudtshoorn, 2nd edition. Government Printer, Pretoria
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- Air photography . 1974 . job 2374, Strip 3, 18 June 1974, Trigonometrical Survey Office, Mowbray, Cape
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- Hunter , A. H. 1975 . “ New techniques and equipment for routine plant analytical procedures. ” . In Soil management in tropical America Edited by: Bornemisza , E. and Alvorade , A. Raleigh : North Carolina State University. .
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