First contribution to the study of the coal measures' classification of the South Wales coal field, based on thetheory of sedimentary cycles
By: by Dr. G. Simoens.
Publisher: Thomas Bros
Published: 1918
Place of publication: Tonypandy
Language: eng
Number of pages: 89
Subjects: Coal mines and mining -- Classification.; Coal -- Geology -- Wales, South.
Other titles: Coal measures' classification of the South Wales coal field.