by U.S. Coast and Geodetic Survey
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Plane coordinate intersection tables (2 ...
United States coast pilot
Methods and results
The Fur Seals and Fur-Seal Islands of th...
Marine gyro-compasses and automatic pilo...
Handbook of operation and service instru...
Radio fog signals and their use in navig...
Radio-compass bearings
Déviations radiogoniométriques à bord...
British standard glossary of terms used ...