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An anonymous notebook containing geological observations mainly on the Yorkshire coalfield in the Leeds area but also on a tour of north Wales and Anglesey probably in 1825
c.1823-c.1825
Contains also some barometric observations made in 1823
Material connected with the Yorkshire coal-mining area
c.1913-1961
Contains: (1) Survey of sections of strata in Yorkshire collieries, made ca.1913; (2) University of Sheffield, Department of Mining: Research on the geological characteristics of Yorkshire coal seams....