1888 - 1891: The Union Pacific Coal Company’s No. 1 mine at Dana, Wyoming
Notes by Bob Leathers
The Union Pacific Coal Company’s No. 1 mine in Dana was opened for production in 1888 and abandoned in 1891. The average pitch of the coal seam was 26 degrees. The slope pitch was 16 degrees. Parts of the mine ran directly below the Union Pacific Railroad's main tracks. The mine produced over its lifetime 62,792 tons of coal with a peak work force of 142 workers in 1890. No miners were killed in the Danna mine.