Physical description
Beige sheet of paper of Block Diagram Showing the Plan of Development as Applied to Part of one Anticline. The diagram goes down for 20 levels. Also mentions the Napoleon Line and the G. G. Consolidated Shaft.
Beige sheet of paper of Block Diagram Showing the Plan of Development as Applied to Part of one Anticline. The diagram goes down for 20 levels. Also mentions the Napoleon Line and the G. G. Consolidated Shaft.