Letters from a copy of my letter of instructions to the sergeant in command

a copy of my letter of instructions to the sergeant in command to William W. Mackall, April 28, 1861

FORT GASTON, CAL. FORT GASTON, CAL., April 28, 1861. Maj. W. W. MACKALL, U.S. Army, MAJOR: I have the honor to report that in compliance with instructions received from your…