Procedure for establishing list of permissible methane indicators for mines; fees, character of tests, and conditions under which indicators will be tested.

Bibliographic Details
Format: Government Document eBook
Language:English
Published: [Washington] : GPO, 1920.
Series:Mines Bur. Schedule No. 8A
Subjects:
Online Access:Connect to the full text of this electronic document
Description
Item Description:Electronic resource.
Physical Description:1 online resource (9 pages)