Screening the gravel in the creek bottom for shark and other teeth.
Now we're told to cross over to another part of the creek with better collecting. Your choice - up the steep bluff, or back through the strainer and hike down a different trail.
The "put-in" at the first creek, where Greg decided to hang out while we searched for a productive site.
Part of a large turtle shell (toxochelid turtle plastral element).