6-25-15 Dale Selman, Caprock Pump and Valve Posted on June 25, 2015 Posted by exploringenergy Leave a comment https://www.exploringenergy.net/wp-content/uploads/2015/05/6-25-15-Dale-Selman-Caprock-Pump-and-Valve-.mp3 “6-25-15 Dale Selman, Caprock Pump and Valve”.