Author: Williams, G. J. and Skerl, A. F.
Title: Mica in Tanganyika Territory Bulletin No. 14
Description: Tanganyika Territory, 1940. Soft Cover. 47p, tables, map and includes to coloured folding maps as called for: 1) Principal mica occurrences and 2) Mkinha-Viragule pegmatite zone .With stamps of the Geological Society of London including a withdrawn stamp. Dusty with a turned corner. See scans. . Very Good

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