Making ones way up the creek took a very long time. First you have to play in the water, feel the sand between your toes. Then you have to stop at every gravel bar and see what's there. It takes most people hours to get less than 1/4 mile.
He's holding a very large piece of coquina found in a pile of boulders.
This nice gastropod was found at this site several years ago, and was brought to the trip to display.