From the National Archives, RG 109, Ch. VI, Vol. 408 (Letters, Orders, and Circulars Issued and Received, Chimborazo Hospital No. 2. 1861-65), p. 36
Chimborazo Hospital No. 2
April 2nd 1865
The Medical Officers of this Division will hereafter remain in the Hospital until further order from 9 AM to 1½ PM and from 4 to 7 PM. Strict obedience to this order is incumbent because of the large number of Wounded which will be daily sent to this Division. The Ward Surgeon will order their Ward Masters to report to them immediately the wounded received so that they may be seen and attended to immediately by the Ward Surgeons.
(Signed) S. E. Habersham
Surgeon in charge