Results of precise leveling, St. Paul, Minn., to Savanna, Ill., May 1, 1891, to October 20, 1891-Continued. [Bench marks marked with an asterisk are not in main line of levels. The value of one meter used = 3.2808693 feet.] |
Results of precise leveling, St. Paul, Minn., to Savanna, Ill., May 1, 1891, to October 20, 1891-Continued. [Bench marks marked with an asterisk are not in main line of levels. The value of one meter used = 3.2808693 feet.] |