During the latter portion of last year, General Mining acquired the coal rights of Vrisgewaagd Antracite, Gluck Auf Anthracite, and the dormant Riversdale Anthracite.
Reference:
Savage, W. 1965. Grading certificates. http://hdl.handle.net/10204/12875 .
Savage, W. (1965). Grading certificates Retrieved from http://hdl.handle.net/10204/12875