Results of observations made at the United States Coast and Geodetic Survey Magnetic Observatory at Sitka, Alaska.

Description

Viewability

Item Link Original Source
Full view   1902-1904 University of Michigan
Full view   1905-1906 University of Michigan
Full view   1907-1908 University of Michigan
Full view   1909-1910 University of Michigan
Full view   1911-1912 University of Michigan
Full view   1913-1914 University of Michigan
Full view   1915-1916 University of Michigan
Full view   1917-1918 University of Michigan
Full view   1921-1922 University of Michigan
Full view   1923-1924 University of Michigan
Limited (search only)   1931-1936 University of Michigan