Friday Find: The Hydrographer's bell

It’s 1931 and you are a U.S. Coast and Geodetic Survey Corps officer on the USC&GSS Hydrographer. A bell clangs urgently, waking you from sleep. What could it mean?

Evolution of The Nautical Almanac & Celestial Navigation Today

Looking Back, Huronia Museum

David Gibbins — The bell of the East Indiaman the President

Underground Locate Requests

NOAA Corps National Oceanic and Atmospheric Administration

What advantages do helicopter survey services offer over

Looking Back, Huronia Museum

Parabola, Lookout, and the Wall Loop Trail, British Columbia

Friday Finds National Oceanic and Atmospheric Administration