pl23_map00141.jpg
Description
Portion of map showing axis of Mid-Atlantic Rift Valley as interpreted byBruce Heezen, Marie Tharp, and Maurice Ewing
Location
Atlantic Ocean
Collection
Voyage to Inner Space
Official websites use .gov
A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock () or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.