Mineral resource information in support of national, regional and local planning : North Yorkshire (comprising North Yorkshire, Yorkshire Dales and North York Moors National Parks and City of York): British Geological Survey Report CR/04/228N / D.J.Harrison, F.M. McEvoy, P.J.Henney, D.G.Cameron, S.F. Hobbs, D.J.Evans, G.K.Lott, E.J. Bartlett and D.E.HighleyBooks/Monographs
