Author:

Arthurton,R.S.;Wadge,A.J.

Year:

1981

Title:

Ordovician and Silurian. (In: Geology of the Country around Penrith.)

Reference:

Arthurton,R.S. et al. (1981) Ordovician and Silurian. (In: Geology of the Country around Penrith.) Memoir of the Geological Survey of Great Britain P. 4- 21

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