Mastodon skull in ground photo by East Bay Municipal Utility District
Mastodon skull photo by California State University, Chico
Mastodon tooth photo by East Bay Municipal Utility District
Mastodon tusks photo by California State University, Chico
Petrified tree in ground photo by East Bay Municipal Utility District
Tapir jaw photo by East Bay Municipal Utility District
Tortoise shell photo by East Bay Municipal Utility District
We and our partners use cookies to understand how you use our site, improve your experience and serve you personalized content and advertising. Read about how we use cookies in our cookie policy and how you can control them by clicking Manage Settings. By continuing to use this site, you accept these cookies.