• 1868 - William W. Bragdon, O. Calvin Donnell, and O. Calvin Donnell?
• 1869 - William W. Bragdon, William H. Card, and Calvin S. Dyer
• 1870 - William W. Bragdon, J. W. West, and Josiah G. Bunker
• 1871 - William W. Bragdon,  P. P. Hooper, and Josiah G. Bunker
• 1872 - William W. Bragdon,  P. P. Hooper, and Josiah G. Bunker
• 1873 - William W. Bragdon,  P. P. Hooper, and J. H. Doyle
• 1874 - William W. Bragdon,  P. P. Hooper, and Joseph H. West
• 1875 - Joseph H. West, P. P. Hooper, and J. G. Scammon
• 1876 - Joseph H. West, P. P. Hooper, and William W. Bragdon
• 1877 - Joseph H. West, James M. Blaisdell, and Josiah G. Bunker