FLEENER, Mud Lake - 4th Class Established 9 July 1886 as Mud Lake. Discontinued 20 December 1888. Re-established 14 January 1889. Name Changed to Fleener 28 February 1889. Discontinued 30 June 1893. Moved to Craig. Note: Administrative problems led to the two names and overlapping dates of this single post office operation. The Mud Lake Post Office was established with Lester G. Brownell as postmaster. The Fleener Post Office with Serene A. Fleener. Mud Lake is a locative name. Fleener was named for Sam Fleener, pioneer homesteader. Located 20 miles north of Lookout and 30 miles south of Cornell.