Results of precise leveling, Duluth, Minn., to St. Paul, Minn., May 1 to September 25, 1891-Continued. [Bench marks marked thus are not in the main line of levels. In these reductions the value of 1 meter is 3.28086928 feet.] Results of precise leveling, Duluth, Minn., to St. Paul, Minn., May 1 to September 25, 1891-Continued. [Bench marks marked thus are not in the main line of levels. In these reductions the value of 1 meter is 3.28086928 feet.] Results of precise leveling, Duluth, Minn., to St. Paul, Minn., May 1 to September 25, 1891-Continued. [Bench marks marked thus are not in the main line of levels. In these reductions the value of 1 meter is 3.28086928 feet.] |