by Mississippi. Railroad Commission

1887

by Virginia. Railroad Commissioner

1900

by Railroad Commission of Georgia

1893

by Alabama Public Service Commission, Railroad Commission of Alabama

1902

by Railroad Commission of the State of California

1917

by Railroad Commission of South Carolina

1912

by Board of Railroad Commissioners of the State of California

1917

by National Association of Railroad and Utilities Commissioners

1925

by Railroad Commission of the State of Florida

1901

by National Association of Railroad and Utilities Commissioners. Annual Convention

1925

by Florida Railroad and Public Utilities Commission

1903