David H. Gray worked for the Canadian Hydrographic Service from 1971 to 2005 and was involved in geodetic surveying computations, radio navigation systems, and maritime boundaries. He authored chapters in Mapping a Northern Land and Charting Northern Waters concerning CHS post-war history.


The Grounding and Sinking of MV 'Minna'

The high cost of exploration in subarctic, often uncharted, waters was demonstrated in an unorthodox but convincing way by the 1974 grounding and sinking of the MV <i>Minna<i> off Resolution Island [Canada] while conducting a combined hydrographic-geophysical survey in the northern Labra... (read more)
SEAEXPLORER Underwater Glider

SEAEXPLORER Underwater Glider

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