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Geology of the Southern Transvaal. 



Newcastle, Trans. Inst. Min. Eng., 6, 1893, 124-133, pi. ii., iii., map [1 in. = 5 m.] . 



The age of the Eand beds. 



London, Geol. Mag., 4, 1897, 548-550. 



Cape Town, Trans. S. A. Phil. Soc, 10, 3, 1898, 466. 



The geology of Africa in relation to its mineral wealth. 



Newcastle, Trans. Inst. Min. Eng., 12, 1897, 303-322, pi. xvii., xviii., map 



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London, Geol. Mag., 14, 1897, 179. 



Correlation of the Palaeozoic rocks of South Africa. 



London, Geol. Mag., 9, 1902, 163-165, 210-213, 

 Leipzig, Geol. Centralbl., 3, 1903, 181-182. 

 Stuttgart, N. Jahrb., 1903, 1, 290-291. 



Gilfillan, G. F. [Letters on "carboniferous rocks," Kowie.] 

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v. C. G. H. H. Pari. Reports, pp. 50-51, [G. 31-'71]. 



On the diamond-districts of the Cape of Good Hope. 



London, Q. J. Geol. Soc, 27, 1, 1871, 72-73. 

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Springs : their nature and mode of occurrence in this 



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Cape Town, Cape Mon. Mag., (2), 10, 1875, 307-311. 



Giraud, J. Une periode glaciaire ancienne dans l'Afrique Aus- 

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Giraud, V. Les lacs de l'Afrique equatoriale. Voyage d'explo- 

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 Paris, 1890, 8vo, 604 pp., 161 engravs., 2 maps. 



Glanville, [B. J.] [Note on a fossil reptile from East London, 

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 Cape Town, Cape Mon. Mag., (2), 4, 1872, 63-64. 



