Subject ASC0003t0o

The geological magazine, or, Monthly journal of geology.
Decade 2:v.10 (1883), Page 66 (1883)
Harvard University, Museum of Comparative Zoology, Ernst Mayr Library
BHL Page 32513193

Keywords

Geological Surveyors - Section near Amwlch Lodge Sarn. showing Cambrian Shale. Intruive Dykes and Metamorphic geology Amwlch Lodge Sarn shale Cambrian metamorphic rocks cross section

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