| A | Amendment | M | Marked Up | |
| E | Engrossment | $ | Fiscal Note | |
| HJ | House Journal | SJ | Senate Journal |
| Date | Day | Committee | |
|---|---|---|---|
| 03/23/2007 | 55 | Senate Natural Resources | |
| 03/26/2007 | 56 | Senate Natural Resources | |
| 04/02/2007 | 61 | House Natural Resources | |
| 04/02/2007 | 61 | House Natural Resources | |
| 04/04/2007 | 63 | House Natural Resources | |
| 04/10/2007 | 67 | House Natural Resources | |
| 04/17/2007 | 72 | Conference Committee | |
| 04/18/2007 | 73 | Conference Committee | |
| 04/19/2007 | 74 | Conference Committee | |
| 04/20/2007 | 75 | Conference Committee | |
| 04/21/2007 | Conference Committee |