| Barritt first came to learn of this material when in 2003 he retired after thirty-three years of naval service, having risen to become Hydrographer of the Royal Navy. |
| At the same time, Gressier, the hydrographer, collected all the materials requisite for preparing a chart of the Fiji Islands. |
| I haven't been able to get in touch with the hydrographer for twenty-four hours. |
| The hydrographer to the admiralty presides over the hydrographical office. |
| Srinivasan was chief hydrographer to the govt of India and is presently the adviser at the GCS and can be contacted at admiralvasan. |
| He is a hydrographer, and engraves maps for a neighboring publisher. |
