Resolution No.18 (1963): The World Magnetic Survey (WMS) project

The IUGG, calling attention to the fact that the World Magnetic Survey (WMS) is now being coordinated by the WMS Board of IAGA, urges all nations to participate in the WMS and to contribute observations in accordance with the various technical recommendations of IAGA as set forth in IUGG Monograph No. 11, "Instruction Manual for the WMS".