Progress of work in terrestrial magnetism of the U.S. Coast and Geodetic Survey, July 1, 1927, to June 30, 1930
By: by Daniel L. Hazard.
Contributors: U.S. Coast and Geodetic Survey.; International Association of Geomagnetism and Aeronomy.; International Research Council.
Series: Special publication -- no. 168; Special publication (U.S. Coast and Geodetic Survey) -- no. 168.
Publisher: U.S. G.P.O.
Published: 1930
Place of publication: Washington, D.C
Language: eng
Subjects: Geomagnetism -- United States
Notes: At head of title: U.S. Dept. of Commerce, Coast and Geodetic Survey.

"Report to the Section of Terrestrial Magnetism and Electricity of the International Geodetic and Geophysical Union, International Research Council."