| A | Amendment | M | Marked Up | |
| E | Engrossment | $ | Fiscal Note | |
| HJ | House Journal | SJ | Senate Journal |
| Date | Day | Committee | |
|---|---|---|---|
| 01/28/2011 | 18 | Senate Natural Resources | |
| 02/03/2011 | 22 | Senate Natural Resources | |
| 02/08/2011 | 25 | Senate Natural Resources | |
| 03/10/2011 | 43 | House Energy and Natural Resources | |
| 03/17/2011 | 48 | House Energy and Natural Resources | |
| 03/24/2011 | 53 | House Energy and Natural Resources | |
| 03/24/2011 | 53 | House Energy and Natural Resources | |
| 03/30/2011 | 57 | House Appropriations | |
| 04/05/2011 | 61 | House Appropriations | |
| 04/13/2011 | 67 | Conference Committee | |
| 04/14/2011 | 68 | Conference Committee |