| A | Amendment | M | Marked Up | |
| E | Engrossment | $ | Fiscal Note | |
| HJ | House Journal | SJ | Senate Journal |
| Date | Day | Committee | |
|---|---|---|---|
| 01/20/2011 | 12 | Senate Natural Resources | |
| 01/20/2011 | 12 | Senate Natural Resources | |
| 01/21/2011 | 13 | Senate Natural Resources | |
| 01/28/2011 | 18 | Senate Natural Resources | |
| 03/03/2011 | House Energy and Natural Resources | ||
| 03/04/2011 | 39 | House Energy and Natural Resources | |
| 04/01/2011 | 59 | House Energy and Natural Resources |