1859                 Address Unknown, Mud Springs, California.

Hamilton of the firm Hamilton & Mills was recorded in one announcement that appeared on October 2, 1859 in The New York Herald (New York, New York).  Affairs In California…

In addition to the destructive fire at Murphy’s, mentioned below, the Planters’ House, at Mud Springs, together with fifty head of horses, nine wagons and sixty tons of hay were consumed on Monday night.  On Tuesday the daguerrean rooms and dental office of Mills & Hamilton were also destroyed by fire.

Hamilton is possibly Dr. Hamilton recorded in Pioneer Photographers Of The Far West A Biographical Directory, 1840-1865 by Palmquist & Kailbourn.  They record a Willis & Hamilton in Yreka, California from April 1 to at least July 2, 1859, Mud Springs, California is 330 miles away.  More research is needed, it is possible that they are the same persons.