Memoirs of the Geological Survey, Vol XIV : Refractory Materials – Fireclays of Denbighshire

$Memoirs of the Geological Survey, Vol XIV : Refractory Materials - Fireclays of Denbighshire$

Memoirs of the Geological Survey, Vol XIV : Refractory Materials - Fireclays of Denbighshire

Geological Survey, 1920

Main title:: Memoirs of the Geological Survey, Vol XIV : Refractory Materials - Fireclays of Denbighshire
Author/s:: Geological Survey
Publication year:: 1920

Edmunds, Francis Hereward, Oakley, Kenneth Page, Geological Survey, 1947

$Memoirs of the Geological Survey Vol VI : Refractory Materials: Ganister & Silica-Rock - sand for open-hearth steel furnaces - Dolomite$

Geological Survey, 1920

Geological Survey, Eastwood, T., Dewey, Henry, Dines, H. G., Bromhead, C.N., Wilson, G.V., Pockock, R.W., 1923

Geological Survey, Pocock, R.W., Eastwood, T., Wilson, G.V., Carruthers, R.G., Wray, D.A., Dewey, H., Bromehead, C.E.N., 1916

Geological Survey, Trotter, F M., Edwards, W., 1954

Geological Survey, Jones, O. T., M.A., D.Sc, 1922

Geological Survey, 1977

Smith, Bernard, Geological Survey, George, T.Neville,

Geological Survey, Jones, O. T., M.A., D.Sc, 1922