After a resolution for trailer identification was approved at the 1973 Oklahoma Farm Bureau Convention, Oklahoma Gov. Dan Hall signed into law the bill reflecting the ideas of OKFB members in April 1974, less than six months later.
After a resolution for trailer identification was approved at the 1973 Oklahoma Farm Bureau Convention, Oklahoma Gov. Dan Hall signed into law the bill reflecting the ideas of OKFB members in April 1974, less than six months later.