Physical description
2 copies of typed notes on the history, underground workings, production, mining costs, machinery and equipment, structural features and present and future development. Written by J. J. Caldwell, Field Geologist. Dated 6th October, 1938.
1st copy images 3509.4a,4b,4c,4d,4e,4f,4g,4h
2nd copy images 3509.4i,4j,4k,4l,4m,4n,4o,4p,4q,4r,4s,4t,4u,4v
Inscriptions & markings
J. J. Caldwell