Mono Lake.—While the people of the northern portion of the State arc excited upon the subject of the Utah silver mines, and thousands are impatiently waitiig the advent of summer that they may travel thither, the people of the lower part of the State think and talk mostly of Mono Lake and Walker’s river. In the regions designated by these names, placer diggings, accessible to labor without capital, are said to abound and to be rich. But a small number of adventurers prospected there before the opon-ing of winter, yet nearly all of these reported the existence of extensive deposits of aurif-eroua gravel, and laid claim to ground whichthey intend to revisit and work a3 soon asthe present rigorous season passes away. Ifwhat wc arc told of the regions named betrue, they offer a far better field for the poorman than the quartz ledges of Virginia andCarson. By the first or middle of May, twogreat streams of emigration will flowfrom ' California—one from the northto the Washoe silver mines, and anotherfrom the south to the gold placers ofMono Lake and Walker Js river. Westernand South Western Utah will be thoroughlyexplored by eager and intelligent treasureseekers. If they, find mineral resources ofsufficient extent to retain them there, another great producer of the precious metals will claim the attention of the world, and we shall have a sister commonwealth on our eastern border, bound to U3 by the ties of a common origin, a common purpose and identical interests.