Texas Archeological Sites Atlas
Restricted Information Access

The Atlas URL has also changed from https://atlas.thc.texas.gov 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.

By clicking the "Enter" button below, you agree to our terms and conditions of access, including, but not limited to:
  • You understand that portions of the information contained in this database are confidential under state (§191.004 Texas Natural Resources Code (VTCA 1995)) and federal (Archeological Resources Protection Act of 1979, 16 USC §470aa et. seq.) laws
  • You will supply one (1) copy of any publication resulting from the use of the Texas Archeological Sites Atlas to the Archeology Division of the Texas Historical Commission, P.O. Box 12276, Austin, Texas 78711-2276
  • You will not discuss or divulge any system access codes (including my user name and password) to any third party
  • You agree to use the information for the specific purpose intended and not to distribute or publish the information in its original form

To login, enter your Texas Archeological Sites Atlas user name and password at the bottom of this page and click the "Enter" 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.