We have air *|y a good road as far a Eureka. Fro.. thi- p'.iut to Jackson ’-ranch oear the summit, a instance of ten uiil* » good road can be constructed for Slo.uoo From tbcnce to Dog valley there is a ^oolt; emigrant road already constructed. At rhii latter point a steep bill is encountered, n% uidmay be easily overcome by an ea*y grad--, j a good gravel surface, for $2,000.A small amount of work will’be req iir«-lt; theuce, along the Truckee to rt' amboat va ley. From this valley a good road, with .11 easy grade, over an incousiderable mountaintakes you to the d igging*. Tin'- latter ^ .1 k will cost about ••,000—making in ull m co* of not o%t*r 3*5.000 for the entire di^t t-scarcely on* i/uarttr of the amount Lid the county ol El Dorado has expended to future the less promising trade ol Carsou Val ley.