COGA | Dan Haley Communications - Colorado Oil and Gas Association
File:FV129 Vandugbakken ved Momarken.jpg - Wikimedia Commons
DUG Bakken and Rockies Conference & Exhibition | Denver Convention Center
CIG Logistics - Michael Collins and Brad Belanger attending DUG Bakken/Rockies in Denver. Pictured is Tim Barth with Sand Technologies. Barth is a frac sand mine entrepreneur. His latest project is in