War Department, Adjutant General’s Office, Washington.
General Orders, No. 274. … Officers’ servants are expected to carry rations for their officers and themselves. Those of mounted officers are expected to be mounted, and to be able to carry small forage for their animals. Long forage must be sought for in the country.
By increasing the ordinary meat ration, and levying contributions of flour and meal in the country passed over, the bread and small rations carried as above by the soldier may be made to last from 20 to 25 days. In the proper season, the bread ration may be partially dispensed with by substituting green corn, (which can be foraged in the fields).
Movable columns in the field should be furnished with hand and horse mills for grinding the grain which they procure in the country. […]
Orders [Charles O. Hunt Letters and Personal Recollections]