3-15-12 - COGA Economic Benefits of the Oil and Gas Industry
3-15-12 - COGA Assement of Oil and Gas Industry
3-15-12 - COGA Colorado Oil and Gas Industry Tax Whitepaper
3-15-12 - COGA Series 700 Assurance
3-15-12 - Local Impacts of Oil & Gas Development by Tareq Wafaie, Colorado Department of Local Affairs