Author:

Smith,E.G.;Warrington,G.

Year:

1971

Title:

The age and relationships of the Triassic rocks assigned to the lower part of the Keuper in north Nottinghamshire, north-west Lincolnshire and north Yorkshire.

Reference:

Smith,E.G. et al. (1971) The age and relationships of the Triassic rocks assigned to the lower part of the Keuper in north Nottinghamshire, north-west Lincolnshire and north Yorkshire. Proceedings of the Yorkshire Geological Society Vol. 38 # 2 P. 201- 227

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