Technical report on the Ruhr coalfield
Subtitle: Volume III. Appendix no. 1-30
By: by a mission from the Mechanisation Advisory Committee of the Ministry of Fuel and Power,
Series: B.I.O.S. final report -- no. 394
Published: 1947
Place of publication: London, H. M. Stationery off
Language: eng
Other titles: Ruhr coalfield
Notes: At head of title: Ministry of Fuel and Power and British Intelligence Objectives Sub-committee.