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

in front and rear folded pockets of staple bound paper-covered A4 report in very good condition

The map is very slightly soiled and slightly worn at the intersection of some folds

issued 1893

London: Charles Close Society

90% sea area

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