NOAA's Office of Coast Survey, part of the National Ocean Service, is the nation's nautical chartmaker. A nautical chart is one of the most fundamental tools available to the mariner. It is a map that ...

Before reading this articleThis article is a significantly expanded version of the 'Weekly Geography Behind the Scenes' ...

In the last third of the 16th century, the Spanish crown launched a project to obtain a complete map of the New World. The project used surveys known as Relaciones Geográficas. A questionnaire with ...

Teledyne Geospatial has launched the CARIS AutoChart, a nautical chart production solution. Traditionally, the production of nautical paper charts has been labor-intensive and time-consuming. It often ...

When you look at a nautical chart, there are many numbers written on the sea.10.15.20.30.These indicate the water depth at that location.Now, let's consider a situation like this.There is a place on ...