| 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 | |
| 02/12/2009 | 28 | House Natural Resources | |
| 03/13/2009 | 46 | Senate Natural Resources | |
| 04/02/2009 | 56 | Senate Natural Resources | |
| 04/02/2009 | 56 | Senate Natural Resources | |
| 04/21/2009 | 69 | Conference Committee | |
| 04/27/2009 | 73 | Conference Committee | |
| 04/28/2009 | 74 | Conference Committee |