Anon. (1920). Special Reports on the Mineral Resources of G.B.: Vol. VI- Refractory Materials: Ganister and Silica-Rock – Sand Reproduction No issue stamp

No issue stamp

Currently (2024) no memoir - covered only as brief explanation booklet accompanying map

Sheet 107se drift

Owner stamp on front free end paper and signature on title page

Anon. (1920). Special Reports on the Mineral Resources of G.B.: Vol. VI- Refractory Materials: Ganister and Silica-Rock – Sand Reproduction No issue stampAnon. (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, 2nd 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.