This channel his its outlet in a chamber or paddock a little below the surface, and very strongly timbered both at the sides, bottom, and top, and is entered by a hatchway similar to a ship's hold, only that the hatches represent folding-doors set up at an angle of about 20 degrees against the current, so"that when closed, in the event of a* flood, the mighty torrent of the Shotover can roll over without doiug aay harm. Into this chamber are inserted two enormous Californian pumpsj : having floats or buckets 24 inches by 4£ inches, and driven by a powerful 'undershot wheel ten feet in diameter by ten feet in the breast, and so constructed that,-when any serious lise in the river occurs, it can be" lift eil from the journals, when tl.ere it swings; high up cut of harm'B "way, suspended from a wire-rope strttched.acrossthe.rocky gorge of the river. The water power is obtained by , an artificially constructed rapid, the river being reduced to almost the breadth of the whcol by a second but shorter ttaining-wall, running parallel with the other. The Hiber nian Company ha\ c no less than three wire ropes spanning the yhotover, two of which are used by the workmen for crossing upon, who do so by means of a boatswain's chair, running upon iron pulley-wheels or travellers; wbile other two ropes are in process of sus pension to assist a second lot of pumping machinery about to be erected. AH the heavy material, such as stones and timber, is floated down the river .to its proper position by means of a scow or flat-bottomed barge, when tho substance, whatever it may be,' can be easily fixed in its place. Most of the woikmeu live on the banks of the. river in a tmail hollow near the claim, tha huts and workshops forming quite a picturesque encampment in tho precipitous gorge. The depth of the sinking or strip-. pi'ug is from seven to nine feet, the gold for the must part being found in a gutter about two feet deep by four feet in width, and running almost up the centre of the river bed. iSeveuty feet of this gutter, worked last season, produced 400 outlets of gold, and was all extracted in six weeks, prospects showing three to four ounces to the dish were frequently obtained. 