This collection includes correspondence, financial records, organizational records, stock books and certificates, and legal documents of the Oregon Central Military Road Company. The organizational records include a bound journal, minutes, treasurer's reports, and committee reports. Also included are road superintendents' reports; field notes of a preliminary survey of the road route by B. J. Pengra, 1864; stockholder records; documents concerning the case of the company vs. H. C. Victor; letters of B. J. Pengra and Ben Simpson; and bills and receipts.