| A | Amendment | M | Marked Up | |
| E | Engrossment | $ | Fiscal Note | |
| HJ | House Journal | SJ | Senate Journal |
| Date | Day | Committee | |
|---|---|---|---|
| 01/18/2007 | 12 | House Natural Resources | |
| 01/18/2007 | 12 | House Natural Resources | |
| 02/23/2007 | 35 | Senate Natural Resources | |
| 02/23/2007 | 35 | Senate Natural Resources | |
| 03/09/2007 | 45 | Senate Natural Resources |