Lead and zinc ores in the carboniferous rocks of North Wales
By: by Bernard Smith
Series: Memoirs of the Geological Survey. Special reports on the mineral resources of Great Britain -- vol. XIX; Memoirs of the Geological Survey, Great Britain; Special reports on the mineral resources of Great Britain -- v. 19.
Publisher: H.M.S.O.
Published: 1921
Place of publication: London
Language: eng
Number of pages: 162
Subjects: Lead ores; Zinc ores; Prospecting