Check out this great video from 1963 looking
at how charts were made and updated,
hydrographic surveys completed and some of the vessels involved.
(Royal Navy surveying service)
UKHO 50 years after
Old news report on NOAA Ship Fairweather
from their 1976 survey of Shelikof Strait.
Okeanos Explorer, "America's Ship for Ocean Exploration"
with multibeam sonar technology (2009)
hydrographic surveys completed and some of the vessels involved.
(Royal Navy surveying service)
UKHO 50 years after
Old news report on NOAA Ship Fairweather
from their 1976 survey of Shelikof Strait.
Okeanos Explorer, "America's Ship for Ocean Exploration"
with multibeam sonar technology (2009)
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