Ownership History
| HELM W JACKSON TTEE | $1 | 2008/3384 | 12/17/2008 |
| HELM ELIZABETH/W JACKSON TRS ET AL | $1 | 291/1283 | 10/14/1998 |
| BARTLEY PRENITH/CAROL TRUSTEES | $1 | 289/360 | 06/15/1998 |
| HELM W JACKSON & ELIZABETH G | $14,000 | 267/1535 | 12/21/1994 |
| BOYD ROBERT S | $0 | 118/247 | 01/01/1900 |