Department of the Interior. United States Geological Survey. George Otis Smith, Director. Bulletin 573. Results of spirit leveling in Arizona 1899 to 1915, inclusive.

Results of spirit leveling in Pennsylvania, 1899 to 1911, inclusive /
by: Marshall, R. B. (Robert Bradford), 1867-1949
Published: (1912)

Spirit leveling in Maine, 1899-1915 /
by: Marshall, R. B. (Robert Bradford), 1867-1949
Published: (1916)

Results of spirit leveling in Pennsylvania for the years 1899 to 1905 inclusive /
by: Gannett, Samuel S. (Samuel Stinson), 1861-1939, et al.
Published: (1906)

Bulletin 633. Spirit leveling in Maine, 1899-1915.
Published: (1916)

Department of the Interior. United States Geological Survey. George Otis Smith, Director. Bulletin 563. Results of spirit leveling in Maryland 1896 to 1911, inclusive.
Published: (1914)

Department of the Interior. United States Geological Survey. George Otis Smith, Director. Bulletin 564. Results of spirit leveling in Oklahoma 1895 to 1912, inclusive.
Published: (1914)

Department of the Interior. United States Geological Survey. George Otis Smith, Director. Bulletin 554. Results of spirit leveling in Kentucky 1898 to 1913, inclusive.
Published: (1914)

Department of the Interior. United States Geological Survey. George Otis Smith, Director. Bulletin 561. Results of spirit leveling in Hawaii 1910 to 1913, inclusive.
Published: (1914)

Department of the Interior. United States Geological Survey. George Otis Smith, Director. Bulletin 571. Results of spirit leveling in Kansas 1896 to 1913, inclusive.
Published: (1914)

Department of the Interior. United States Geological Survey. George Otis Smith, Director. Bulletin 553. Results of spirit leveling in Illinois 1911 to 1913, inclusive.
Published: (1914)

Department of the Interior. United States Geological Survey. George Otis Smith, Director. Bulletin 556. Results of spirit leveling in Oregon 1896 to 1913, inclusive.
Published: (1914)

Department of the Interior. United States Geological Survey. George Otis Smith, Director. Bulletin 562. Results of spirit leveling in Virginia 1900 to 1913, inclusive.
Published: (1914)

Department of the Interior. United States Geological Survey. George Otis Smith, Director. Bulletin 572. Results of spirit leveling in Nebraska 1896 to 1913, inclusive.
Published: (1914)

Department of the Interior. United States Geological Survey. George Otis Smith, Director. Bulletin 558. Results of spirit leveling in Wyoming 1896 to 1912, inclusive.
Published: (1914)

Department of the Interior. United States Geological Survey. George Otis Smith, Director. Bulletin 567. Results of spirit leveling in Idaho 1896 to 1914, inclusive.
Published: (1915)

Department of the Interior. United States Geological Survey. George Otis Smith, Director. Bulletin 565. Results of spirit leveling in Colorado 1896 to 1914, inclusive.
Published: (1915)

Department of the Interior. United States Geological Survey. George Otis Smith, Director. Bulletin 555. Results of spirit leveling in Indiana 1897 to 1911, inclusive.
Published: (1913)

Department of the Interior. United States Geological Survey. George Otis Smith, Director. Bulletin 566. Results of spirit leveling in Utah 1897 to 1914, inclusive.
Published: (1915)

Department of the Interior. United States Geological Survey. George Otis Smith, Director. Bulletin 568. Results of spirit leveling in Missouri 1896 to 1914, inclusive.
Published: (1915)

Department of the Interior. United States Geological Survey. George Otis Smith, Director. Bulletin 560. Results of spirit leveling in Minnesota 1897 to 1914. Inclusive.
Published: (1915)

Department of the Interior. United States Geological Survey. George Otis Smith, Director. Bulletin 570. Results of spirit leveling in Wisconsin 1897 to 1914, inclusive.
Published: (1915)

Department of the Interior. United States Geological Survey. George Otis Smith, Director. Bulletin 569. Results of spirit leveling in Iowa 1896 to 1913, inclusive.
Published: (1915)

Department of the Interior. United States Geological Survey. George Otis Smith, Director. Bulletin 557. Results of spirit leveling in the State of Washington 1896 to 1913, inclusive.
Published: (1914)

Department of the Interior. United States Geological Survey. George Otis Smith, Director. Bulletin 514. Results of spirit leveling in New York 1906 to 1911, inclusive.
Published: (1912)

Department of the Interior. United States Geological Survey. George Otis Smith, Director. Bulletin 516. Results of spirit leveling in Florida 1911.
Published: (1912)

Department of the Interior. United States Geological Survey. George Otis Smith, Director. Bulletin 517. Results of spirit leveling in Alabama 1911.
Published: (1912)

Department of the Interior. United States Geological Survey. George Otis Smith, Director. Bulletin 518. Results of spirit leveling in Ohio 1911.
Published: (1912)

Spirit leveling in Mississippi, 1901 to 1915, inclusive /
by: Marshall, R. B. (Robert Bradford), 1867-1949
Published: (1916)

Spirit leveling in Texas, 1896 to 1915, inclusive /
by: Marshall, R. B. (Robert Bradford), 1867-1949
Published: (1916)

Spirit leveling in Arkansas, 1896 to 1915, inclusive /
by: Marshall, R. B. (Robert Bradford), 1867-1949
Published: (1916)

Spirit leveling in Louisiana, 1903 to 1915, inclusive /
by: Marshall, R. B. (Robert Bradford), 1867-1949
Published: (1916)

Bulletin 639. Spirit leveling in Mississippi, 1901 to 1915, inclusive.
Published: (1916)

Bulletin 634. Spirit leveling in Louisiana, 1903 to 1915, inclusive.
Published: (1916)

Bulletin 637. Spirit leveling in Texas, 1896 to 1915, inclusive.
Published: (1916)

Bulletin 636. Spirit leveling in Arkansas, 1896 to 1915, inclusive.
Published: (1916)

Department of the Interior. United States Geological Survey. George Otis Smith, Director. Bulletin 559. Results of spirit leveling in Michigan 1911 and 1913.
Published: (1914)