| A | Amendment | M | Marked Up | |
| E | Engrossment | $ | Fiscal Note | |
| HJ | House Journal | SJ | Senate Journal |
| Date | Day | Committee | |
|---|---|---|---|
| 01/29/2009 | 18 | House Natural Resources | |
| 01/29/2009 | 18 | House Natural Resources | |
| 03/13/2009 | 46 | Senate Natural Resources | |
| 04/02/2009 | 56 | Senate Natural Resources | |
| 04/03/2009 | 57 | Senate Natural Resources | |
| 04/16/2009 | 66 | Conference Committee | |
| 04/24/2009 | 72 | Conference Committee |