Subject ASC0003tjb

The geological magazine, or, Monthly journal of geology.
Decade 3:v. 10 (1893), Page 218 (1893)
Smithsonian Libraries
BHL Page 30553720

Keywords

Pebbles a) pebbles in sandy matrix clayey here and there pebbles mostly vertical. b) pebbles in grey stiff pipe-clay pebbles also vertical. c) pebbles in soft bagshot sand mostly horizontal. sandy matrix stiff pipe-ckay bagshot

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