Oil and Gas Knowledge Center
| Year | Title | Type |
|---|---|---|
| 2012 | HDR Sustainable Solutions | Brochure |
| 2011 | "Storage Tank Inspection and Compliance" | White Paper |
| 2011 | Oil and Gas Services | Brochure |
| 2011 | Real Estate and Right-of-Way Brochure | Brochure |
| 2010 | "HDR Sustainability + Corporate Responsibility Report" | Book |
| 2007 | "Meeting Demands for Oil and Natural Gas" | Article |
| 2007 | "Questar Achieves Pipeline, Environmental Goals" | Article |