Author: Gregory, J.W., 1900.:
Title: Contributions to the geology of British East Africa. Part II. The geology of Mount Kenya.
Description: Quart. Jour. Geol. Soc. London, 56 (222): pp. 205-222, 1 fold. map, 11 figs. of thin sections of rock samples, 2 sections in text, notes & refs. Extract, plain new wrappers. - Mostly petrographical.

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