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<p>1. The Coast and geodetic survey.--2. Triangulation and reconnaissance.--3. Base apparatus.--4. Time, latitude, longitude, and azimuth.--5. Terrestrial magnetism.--6. Hydrography.--7. Topography.--8. Tides and tidal currents.--9. Leveling.--10. Coast pilots.--11. Chart publications.--12. Gravity.--13. Geodesy or measurement of the earth
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<br>Subjects:</div>
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U.S. Coast and Geodetic Survey</div>
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