Family correspondence, inventory of personal property, Irwin family genealogical record 1830-1895

Business papers and correspondence A-Z connected with Wagon roads and Turnpike, mining claims 1872-1930

Early history of Wagon roads and Turnpike; Operation of Wagon roads and Turnpike; Rates of Toll 1856-1907

Reports of receipts and expenditures 1869-1911

Reports of receipts and expenditures 1860-1909

Reports of receipts and expenditures; Toll House Travel Sheets; Time Sheets; Land papers; Legal papers; Mining papers 1860-1912

Miscellaneous Mining and Surveying papers; Agricultural and Horticultural material 1876-1917

Ephemera

Volumes: account books, cash books, daybooks, diaries, letter books, Lewiston Turnpike Company books, memoranda books, mining records, time books, Toll House books, Weaverville and Shasta Wagon Road Company books