 The partners, Reed and Johnson, established what was undoubtedly the largest mill up to that time in central or Eastern Washington, cutting 40,000 feet of board lumber per day.At the same time, Frederick Leonhard, who, with his brother-in-law, Gerrit d'Ablaing, had been carrying on a mill on Cooke Creek and later on the Naneum, moved to the vicinity of Cle Elum.They cut a large part of the lumber for the Stampede Tunnel.