An aerial showing the coastline with a magenta line and two inset images of underwater seafloor.

2,000 Miles of Ocean Seafloor and Coastline Imagery Available from the USGS

Elizabeth Borneman

The U.S. Geological Survey offers 2,000 miles worth of coastlines and seafloor imagery surrounding the United States to the public to view.

Enhancing Shorelines with Vector-Based Coastal Vignettes

Caitlin Dempsey

Creating coastal vignettes using GIS or mapping software is a cartographic technique that adds depth to open water on a map.