Sources of limestone, gypsum, and anhydrite for dusting coal mines to prevent explosions.

Bibliographic Details
Corporate Author: United States. Department of Commerce
Format: Government Document eBook
Language:English
Published: [Washington] : GPO, 1925.
Series:Mines Bur. Bull. No. 247
Subjects:
Online Access:Connect to the full text of this electronic document
Description
Item Description:Includes index.
Electronic resource.
Physical Description:1 online resource (vi+70+ovolumes pages)