Col. Griffin's 21^st Texas was actually stationed at Sabine Pass and involved in at least one action nearby.

According to O.R., Vol. XXXIV/3, p. 800, units assigned to Galveston TX during April 1864 were --

• 2^nd Texas Regiment, Maj. Geo. W. L. Fly
• 8^th Texas Regiment, Col. Alfred M. Hobby
• 20^th Texas Regiment, Col. H. M. Elmore
• Timmons' Texas Regiment, Col. Bernard Timmons
• 35^th Texas Cavalry, Capt. James L. Tompkins
• 1^st Texas Artillery, Lt. Col. John H. Manly
• 6^th Texas Field Battery, Lt. S. W. Allen
• 8^th Texas Field Battery, Capt. A. E. Dege
• 4^th Confederate Engineers, Capt. Milton G. Howe (one company)
• 4^th Confederate Engineers, Lt. Niles H. Smith (one company)
• Cadet Company, Capt. W. M. Williamson