Series is arranged chronologically by date of record. 34 Series documents Oregon Mounted Volunteer company officer elections. Returns show company name, voter's name, rank of contested position, names of nominated officers, election summary, and commanding officer's signature. Series is arranged alphabetically by company commander's name. Records include enlistment statements, recruit examinations, oaths of office, physical descriptions, appointments, recruit declarations, correspondence, and re enlistment applications.
Series is arranged alphabetically by member's name.
Orders show order number, date, originating unit, adjutant general's signature. and text of order. Subjects include the formation and organization of military units, musters, inspections, uniform regulations, Indian war maneuvers, and troop assignments. Series is arranged chronologically by order date. Letters show correspondent's name, the date, and discussions of troop movements, supplies, military engagements, arms, inter tribal politics, and the formation of military units. Series is arranged chronologically by date of correspondence.