Subject ASC00013wb

The Quarterly journal of the Geological Society of London.
v.29 (1873), Page 159 (1873)
Smithsonian Libraries
BHL Page 39051063

Keywords

geological section Clasification Soil coal Roof-bed of coal coal-bearing strata John Pritchard vertical sections coal bearing strata lower Oolite age Sutherland Ross. Coal seam

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