Report on investigations into the composition of the gases caused by blasting in mines
By: by E.A. Mann ... Presented to both houses of Parliament by His Excellency's command.
Contributors: Mann, E. A.
Publisher: F.W. Simpson, government printer
Published: 1911
Place of publication: Perth
Language: eng
Number of pages: 30
Subjects: Mine gases.
Notes: Cover-title.

At head of title: 1911. Western Australia.