Show california nevada city transcript J al harper who for ten years has been superintendent of the columbia mine at american hill he representing the interests of the sharon estate and the palace hotel people of san francisco is running a tunnel on the federal placer claim from oregon creek to tap some of the rich ledges lying under the lava cap between forest and alleghany allegheny Alleg hany the tunnel has already been run feet and operations will be carried on steadily and systematically in the future A blacksmith shop has been erected and an air compressor to be operated by electricity will be installed later A dispatch from quincy says the seneca mining and milling company composed principally of los angeles investors is arranging for the installation of two additional batteries of five stamps each at the white lily mine seneca mining district A hoisting and pumping plant will also be installed soon the stamps and other new machinery chinery Ina will go int into 0 commission early in the coming year the present equipment consists of three two stamp batteries each stamp weighing pounds the total capacity of the plant is fifteen tons per day of twenty four hours at present no attempt is being made to treat tailings but concentrators will be installed within a few months |