Texas Archeological Sites Atlas — Restricted Information Access

The Atlas URL has also changed from https://atlas.thc.state.tx.us/ to https://atlas.thc.texas.gov/. If you use the old URL, you should be automatically redirected to the new one. If you have saved your credentials in your browser, you will have to update them.
If you are having problems with the Atlas or the Atlas Map look at the items listed in the Atlas Best Practices for a possible solution.

Sign in below only if you are authorized to enter this site and agree to be bound by our terms and conditions of access. All access attempts are logged.

To login, enter your Texas Archeological Sites Atlas user name and password at the bottom of this page and click the "Login" button to access the database. Please contact the Atlas Staff for login issues.

Forgot your password?

Please contact the Atlas Staff for login issues.

If you do not have a user name and password, you may apply for access by navigating to the account registration page. Registration instructions can help you through the process.