The sand and gravel resources of the country around north-east of Ripon, North Yorkshire : description of 1:25,000 sheet SE 37 and part of 47

Morigi, A.N.; James, J.W.C.

NORA

The sand and gravel resources of the country around north-east of Ripon, North Yorkshire : description of 1:25,000 sheet SE 37 and part of 47

Morigi, A.N.; James, J.W.C.. 1984 The sand and gravel resources of the country around north-east of Ripon, North Yorkshire : description of 1:25,000 sheet SE 37 and part of 47. London, UK, British Geological Survey, 107pp. (Mineral Assessment Report 143) (Unpublished)