Many of the volunteers from Bosque County joined Maj. George B. Erath's Texas State Troops, Second Frontier District with headquarters in Gatesville (Coryell County) and were placed in Col. James E. McCord's Frontier Regiment at Camp Colorado.

The Frontier Regiment was organized for protection of the settlements on the Texas frontier from Camp Belknap to the Rio Grande. The regiment not only provided protection against Indians, but also enforced conscript laws, round-up deserters and provide protection to settlers from renegades and bandits.

The Frontier Regiment, T.S.T. was officially turned over to Confederate authority in March 1864 and became known as the Frontier Organization, C.S.A. In August 1864, four companies of the Frontier Organization of the 2nd Frontier District was removed from the abandoned Union camp at Camp Colorado in Coleman County and were sent to Houston leaving only a two-company battalion of 160 men under Capt.Henry S. Fossett at Camp Colorado for patrol duty. Finally, in the early spring of 1865, the Frontier Organization became known as the 46th Texas Cavalry, just before it was disbanded and the end of the war.

The NPS Soldiers and Sailors System does not list any men of the Frontier Organization or the 46th Texas Cavalry, C.S.A.