Mr. Richardson returned to Janesville from California.

The evidence

• “Richardson resolved to try a new field for enterprise, and, in the fall of 1851, removed to California and located at Marysville, at the head of navigation on the ■ Feather River, at that time a place of great commercial importance ; he there established.1 house for the supply of the mountain traders, and for four years, did a large and successful business ; in the prosecution of this trade he made extensive trips through the mountains, and thus became familiar with the mining operations ; on one of these journeys, he fell into the hands of a portion of Joaquine's band of highwaymen, by whom he was robbed and narrowly escaped the fate which befel so many of these celebrated freebooter's victims ; while residing in California, Mr. Richardson helped to organize and was Secretary and Treasurer as well as one of the largest stockholders, of a line of river steamers which was liuilt and managed expressly to resist the extortions of one of the greatest monopolies ever attempted upon any of the inland waters of this country ; the success of the new line was perfect and the great monopoly with its millions of capital, was forced to surrender ; returning to Janesville in 1856, Mr. Richardso”

  1879-history-of-rock-county/17-bios-janesville.md, PDF p. 716 / book p. 720

  Butterfield, C. W., et al. The History of Rock County, Wisconsin: its early settlement, growth, development, resources, etc. Chicago: Western Historical Company, 1879. Cornell University Library via the Internet Archive, archive.org/details/cu31924028871585.

  Grade A: Found on a page of one of our sources