Stop by this table display and visit with a ranger about what was happening in the area millions of years ago, thousands of years ago, and a hundred years ago.

When: Ongoing between 2pm and 4pm.

Where: A ranger will be at a table in the Bar-O day use area (near HQ).

Cost: Program is free with park admission. Day use reservations can be made online or by calling (512) 389-8900.

Reminder: Please dress for the weather and bring/drink plenty of water.