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On the Presence of the Zones of Anthracomya lenisulcata and Carbonicola ovalis in the Culm Measures of North Devon

Published online by Cambridge University Press:  01 May 2009

Brian Simpson
Brian Simpson
Affiliation:
University College, Swansea.
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Extract

The age of the Culm Measures of North Devon and, in particular, those of the Bideford Area, with which this paper is concerned, has long presented a difficult problem.

Type
Original Articles
Information
Geological Magazine , Volume 70 , Issue 10 , October 1933 , pp. 433 - 436
Copyright
Copyright © Cambridge University Press 1933

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References

BIBLIOGRAPHY

(1) Wray, D. A. and Trueman, A. E.. Summary of Progress of Geological Survey, pt. iii, 1930.Google Scholar
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(3) Trueman, A. E. and Ware, W. D.. Proc. S. Wales Inst. of Engin., xlviii.Google Scholar
(4) Trueman, A. E.. Proc. S. Wales Inst. of Engin., xlix.Google Scholar
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(6) Inkermahn, Rogers Trans. Devon Ass., xli, 1909.Google Scholar
(7) Goode, R. H.. Q.J.G.S., lxix, 1913.Google Scholar