ville.Carbon Valley—Gold Mining.—The Placer ville American savs that letters from Col. Iteese state that the inhabitants of the Valley ■were highly elated at the discovery lcnt0 of the no iv gold fields; that there is no scar-ar£e j city of water in the vicinity, nr. 1 that op-portunities for sluicing and hydraulics are Irc'*’ abundant.Dave ____________very ) the fent-1 pa-