Subject ASC0003sro
The geological magazine, or, Monthly journal of geology.
Decade 2:v.6 (1879), Page 204 (1879)
Harvard University, Museum of Comparative Zoology, Ernst Mayr Library
BHL Page 32524873
Keywords
geology soil layer strata gwythian blown sand brown loam angular slate fragment agglomerate quartz stone matrix fine pebble flint lower bed cliff West Gwythian cornwall cross-section