G. Jansen van Beek

• Record of observations at Alert Magnetic Observatory 1968
• Record of observations at Baker Lake Magnetic Observatory, 1967
• Record of observations at Baker Lake Magnetic Observatory, 1968
• Record of observations at Great Whale River Magnetic Observatory 1968
• Record of observations at Mould Bay Magnetic Observatory 1968
• Record of observations at Resolute Bay Magnetic Observatory 1968