R.T. Long writes as follows to the La Plata Miner of the 16th: The new town of Uncompahgre is in a flourishing condition. Cleaning and cutting trees and brush from the streets, cutting house-logs, etc., and preparations for a comfortable wintering in this new point are going on. Quite a number of miners who are interested will remain in Uncompahgre during the Winter, and several gentlemen of th...