Show california san diego news the boulder creek consolidated mining company has contracted with the international ore treating company of los angeles for the installation on the companas comp anys property at boulder creek in this county a new amalgamating plant similar to the one recently installed by the colorado mining company in the grapevine district redding press development work is being continued through the medium of the main shaft at the copper crest property which is owned by 1 I 0 jillson the gold mining operator owing to the presence of gases it is necessary to install a blower and this important adjunct to the miners operations isi is being supplied and will arrive at kennet from the gladstone mine in the course of a couple of days when the work will be continued to depth hart enterprise encouraged by recent development that has opened a good body of ore the acme mining company is erecting a five stamp mill at the mines in the signal mountain district 20 miles south of hart and has let a contract to sink the foot shaft another the mill capacity is to be increased as soon as ore showing will justify it drilling and hoisting machinery is in place and everything is asserted to be in best possible shape for economical sinking hart enterprise A number of silver lake mining properties are sending out ments almost daily either to the selby smelter at san francisco or to salt lake and in all about 50 miners are employed in that section frank riggs recently shaped pounds of silver ore that netted him 1 80 per pound A shipment from the jumbo has just netted the owner 1617 per ton other properties are returning as substantial earnings indicating that there are values in the silver lake country which promises to make that section one of the important producers in the county |