Roxbury Sagamore Trading and Mining Association.

Ira G. Hoitt, was a California State Superintendent of Public Instruction in the 1880s. His wife, Julia B. Hoitt, was Deputy Superintendent of Public Instruction at the same time. They were co-founders of the Hoitt's Schools in Burlingame (founded 1898) and in Menlo Park (founded 1899?).

From the description of Roxbury Sagamore Trading and Mining Association (1849) : record book : with Julia Burrell Hoitt diary and scrapbook (1856-1904), 1849-1904. (University of California, Berkeley). WorldCat record id: 122392326