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.
Spheroidal-weathering granitic boulders and junipers near Mid Hills Campground in the Providence Mountains. The age of this intrusive igneous bedrock has been dated to be about 97 million years (Cretaceous)(Reynolds and others, 1995).
Public Domain.
