Terrestrial magnetism
Subtitle: distribution of the magnetic declination in the United States for January 1, 1915, with isogonic chart and secular change tables
Contributors: Hazard, Daniel Lyman, 1865-
Series: Its Special publication no. 33; Special publication (U.S. Coast and Geodetic Survey) -- no. 33
Publisher: Govt. Print. Off.
Published: 1915
Place of publication: Washington
Language: eng
Number of pages: 16
Subjects: Magnetism, Terrestrial -- United States
Other titles: Distribution of the magnetic declination