#54056: Cretaceous Time
Stories of long ago are captured in striations of rock surviving gigantic upheavals at some time in the far distant past.
Public Domain.
Download Original (480 x 640 pixels, 63.3 KB)
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.
