Proceedings of the Yorkshire Geological Society, Vol. 30, Part 1, 1955.
CONTENTS
L. R. RAYMOND - The Rhaetic Beds and Tea Green Marl of North Yorkshire (Issued 5th March, 1955).
D. A. GRAY - The occurrence of a Corallian Limestone in East Yorkshire, south of Market Weighton (Issued 5th March, 1955).
TREVOR D. FORD - Blue John Fluorspar (Issued 15th September, 1955).
T. S. WESTOLL, D. A. ROBSON and R. GREEN - A guide to the geology of the district around Alnwick, Northumberland (Issued 15th September, 1955).
Size:- 5.50 x 8.50 inches approx.
Condition:- Good condition. Unmarked throughout.
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