Mountain Encampment.—This camp is located at Colei Springs on Shoemaker’s farm three miles from Huntingdon. The camp was opened on Wednesday' morning—tlic first companyentering was from Tyrone, Capfc. Croiv-thers. In the afternoon a company from Woodbury, Bedford county, Capt. Brisbin, .also went into Camp. The ground is splendid for the purposefor which it has been selected—fine water and shade in the immediate«neighborhood, and the right distance from town. Several additional companies are expected to arrive in camp within a few days. We hoar that Col. Win. G. Murry, of Holliday sburg, is raising a regiment to enter this camp.