| A | Amendment | M | Marked Up | |
| E | Engrossment | $ | Fiscal Note | |
| HJ | House Journal | SJ | Senate Journal |
| Date | Day | Committee | |
|---|---|---|---|
| 01/06/2011 | 3 | Senate Natural Resources | |
| 01/13/2011 | 8 | Senate Natural Resources | |
| 03/11/2011 | 44 | House Energy and Natural Resources | |
| 03/17/2011 | 48 | House Energy and Natural Resources | |
| 04/04/2011 | 60 | Senate Natural Resources | |
| 04/11/2011 | 65 | Senate Natural Resources |