A sea chart was for locating a point in the ocean.

What remains of the site is marked as a "navigational hazard" on sea charts.

Jim had himself done the sea charts on this coastline and knew the waters intimately.

"I expected a book of sea charts, and even that would have been a pleasure."

Seconds later the ship struck a rock which did not show on the sea charts at that time.

The island is recorded by name in sea charts from the early 16th century.

She can tell climate changes and draw sea charts.

I see that they took all the sea charts with them.

But they said they never had the resources to use that kind of imagery to update sea charts.

Without my sea charts I would be like a blind man in a maze.