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30
OUR "GLENROCK" ESTATE.
which the ancient miners have been so extensively working. In short, all down this gorge, the surface has been deeply cut and turned over.*
Still lower down the almost perpendicular face of the hill, are some very deep trenches, partly filled with debris of quartz, broken up ages ago. At this spot, No. 1 Tunnel has been driven about sixty feet, and a slender branchlet of quartz has been inter­sected. Here again we must cross-cut to reach the main reef. This is now to be known as the " Korum-ber Tunnel." Below this is a tunnel which it has been deemed advisable to abandon because a more promising spot has since been found for the work.
Still descending, we reach a new tunnel, driven on another reef, about two feet thick. But as distance is gained, the vein is increasing in dimensions. This is called the " Jungle Tunnel," and has penetrated twenty feet.
After a rather arduous walk through the heavy jungle, the commencement of the coffee plantations is reached. Here is situated Tunnel No. 3, or, as it will now be called, the " Plantation Tunnel." The intention is to cut both of the reefs, of which one has already been intersected, and the driving is con­tinued towards the second. This level has reached
* By the term " deeply," in reference to ancient workings', I mean that there has been something more done than mere surface scratching. But, of course, nothing to compare with the complete and systematic work of the modern miner.