Ken Weldon 1-05-02 to 12-31-08

Bill Ankeny 1-01-01 to 1-04-02

Wayne C. Clayton 8-1-78 to 12-31-00

Maurice Matthews 6-1-73 to 8-1-78

Orval Davis 8-01-58 to 5-31-73

.Jay Sherman 9-01-45 to 7-31-58

Carl Vonn 5-16-40 to 9-1-45

Gene Woods 7-18-39 to 5-16-40

Glen Bodel 1-26-39 to 7-09-39

Edwin Wiggins 5-01-38 to 1-26-39

Alexander Mackay 9-01-37 to 5-01-38

Lester Burdick 11-18-12 to 9-01-37