Education
Union College.
lawyer University of California Regents
Union College.
After graduating from Union College, Butterworth became a lawyer working under fellow future regent Edward Tompkins. Butterworth moved to Mississippi to practice law. He was appointed United States Attorney in Mississippi during the administration on Martin van Buren.
The laws of Mississippi at the time forbade a writ of error in regards to the mandatory payment of a bond by the partners of a real estate bank on Columbus, Mississippi which Butterworth and Amis argued increased the costs of business unlawfully.
Butterworth refused appointment to be a justice of Mississippi"s Supreme Court in order to instead enter politics. In 1857 Butterworth became the first superintendent of the United States Assay Office in New York City where he lobbied for the creation of a branch mint in New York City.
California
Butterworth moved to California to serve as president of the Quicksilver Mine Company near San Jose, California. In August 1863 Butterworth resigned his position as president of the Quicksilver to become general manager of the company"s newly-acquired the New Almaden mine, receiving an annual salary of United States$25,000 (equivalent to $480,473 in 2015).
Under Butterworth"s leadership the security and efficiency of the mine improved and profits increased.
During the Civil War some of the mining camp"s inhabitants formed a militia, the New Almaden Cavalry. Butterworth disallowed the militia from storing weapons on company property. In 1869 Butterworth was one of the investors behind hydraulic mining outfit North Bloomfield Gravel Mining Company in Nevada County, California.
He served as president of the company until his death.
Butterworth was elected to the University of California Board of Regents for the term of 1868 to 1876 but he resigned in 1873. Butterworth was an advocate for eliminating the university"s fees and giving female students the same opportunities as male students.
Butterworth was also a commissioner of Golden Gate Park.