A lithographic print mounted on cardboard featuring two drawings of the Black Hill Company's mine claim. (1) The top drawing features the above - ground workings and buildings of Mine with large chimney and woodstack. A treeless Black Hill can be seen in the background. This drawing is titled; "The Black Hill Quartz Mining Companys Claim Ballarat". (2) The bottom drawing features the interior of building showing enormous crushing machinery. This is titled; "The Black Hill Companys Quartz Crushing Machinery. Quartz Produced Per Week About 1000 Tons. Consisting Of --60 Revolving Stamps 70 Lbs Each. Yield Of Gold About 3 Dwts Per Ton".