Gibson, Walcot, 1864-1941. Coal in Great Britain: the composition, structure, and resources of the coalfields visible and concealed of Great Britain, by Walcot Gibson. - Rev. and enl. ed. - London, E. Arnold, 1927. - viii, 334 p. illus., tables, diagrs., 7 plates. 22 cm. LCCN: gs 28000468 Subjects--Topical Terms: Coal--Great Britain. LC Class. No.: TN808.G6 / G49 1927