Office of Coast Survey

The Office of Coast Survey is a group of people who draw really important maps of the oceans and coasts. These maps are called nautical charts, and they show things like how deep the water is in different places, where there are rocks and other things that boats need to watch out for, and where harbors and ports are located. The Office of Coast Survey uses special ships, planes, and satellites to gather information about the ocean floor and coastal areas, and then they use that information to create the maps. This helps sailors and ship captains know where they can safely go, and it helps everyone who uses the ocean to stay safe and avoid accidents.