The mineral industry of the British Empire and foreign countries
Subtitle: War period. Sulphur and iron-pyrites (1913-1919)
Publisher: Printed and pub. by H. M. Stationery Off.
Published: 1922
Place of publication: London
Language: eng
Number of pages: 67
Subjects: Sulfur.; Pyrites
Notes: At head of title; Imperial Mineral Resources Bureau.

References interspersed.