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.
Distributions are shown from 0 (blue) and 1 (brown) probability. Note that the continental margin depicted on the LGM map differs from the other because sea level was lower during glacial periods.
