Results of Spirit Leveling in Minnesota, 1897 to 1914, Inclusive

Results of Spirit Leveling in Idaho, 1896 to 1914, Inclusive: Issues 565-569

Results of Triangulation and Primary Traverse for the Years 1906, 1907, and 1908

Spirit Leveling in New York, 1896-1905 and 1912-1916: Issues 671-676

Results of Spirit Leveling in Ohio, 1909 and 1910: Issues 476-479

Results of Spirit Leveling in Utah, 1897 to 1914, Inclusive: Issues 566-569

Results of Spirit Leveling in Alabama, Georgia, North Carolina, South Carolina, and Tennessee, 1896 to 1909, Inclusive

Results of Spirit Leveling in New Mexico, 1902 to 1909, Inclusive: Issues 464-469

Results of Spirit Leveling in Arizona, 1899-1909, Inclusive

Results of Spirit Leveling in Iowa, 1896 to 1913, Inclusive

Spirit Leveling in Ohio: 1898 to 1916, Inclusive

Results of Spirit Leveling in California, 1907 to L910, Inclusive: Issues 481-484

Results of Spirit Leveling in Illinois, 1911 to 1913, Inclusive: Issues 553-558

Spirit Leveling in Mississippi, 1901 to 1915, Inclusive: Issues 631-639

Triangulation and Primary Traverse, 1913-1915: Issues 642-645

Results of Spirit Leveling in South Dakota, 1896 to 1910, Inclusive

Spirit Leveling in Texas 1896 to 1915, Inclusive

Spirit Leveling in Louisiana, 1903 to 1915, Inclusive: Work During 1906 and 1909 Done in Cooperation with the State, Issues 631-639

Results of Spirit Leveling in Michigan, 1911 and 1913

Results of Spirit Leveling in Michigan, 1911 and 1913: Issues 559-565