$Anon. (1920). Special Reports on the Mineral Resources of G.B.: Vol. VI- Refractory Materials: Ganister and Silica-Rock – Sand$

$Anon. (1920). Special Reports on the Mineral Resources of G.B.: Vol. VI- Refractory Materials: Ganister and Silica-Rock – Sand$
$Anon. (1920). Special Reports on the Mineral Resources of G.B.: Vol. VI- Refractory Materials: Ganister and Silica-Rock – Sand$
$Anon. (1920). Special Reports on the Mineral Resources of G.B.: Vol. VI- Refractory Materials: Ganister and Silica-Rock – Sand$

Anon. (1920). Special Reports on the Mineral Resources of G.B.: Vol. VI- Refractory Materials: Ganister and Silica-Rock – Sand

British Geological Survey

£12.00

Anon. (1920). Special Reports on the Mineral Resources of G.B.: Vol. VI- Refractory Materials: Ganister and Silica-Rock – Sand for open-Hearth Steel Furnaces – Dolomite. Resources and Geology. London: Geological Survey, 2^nd edition. 241+ vi pp. Three fold-out b/w maps. Paperback. Worn, with front cover detached. Binding sound, clean text. Signature of owner on front cover. In fair condition.