I've started doing a bit of reading on the battles in Indian Territory, and OOBs are available on Wiki for most battles. Some are not available however - 1st Cabin Creek, Fort Smith, and Poison Spring - in particular. If anyone has the units for these battles, I'd he much obliged if they'd share them here.
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Fort Smith, Ark.,
July 27, 1864.
6th Kansas Cavalry.
While a detachment of about 200 men of this regiment, commanded
by Capt. Mefford, was doing outpost duty, guarding the horses of
the post on Mazzard's prairie, it was attacked by some 600
Confederates under Gen. Gano. Sharp fighting was continued for
about an hour, but the Federals were finally overpowered,
Mefford and 82 of his men being taken prisoners.
The enemy retired before reinforcements from the fort reached
the scene. The Confederate loss was 12 killed and 20 wounded,
left on the field; the Union casualties besides those captured
were 10 killed and 15 wounded.
Source: The Union Army, Vol. 5, p.433
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Cabin Creek, Ind. Ter.,
July 1-2, 1863.
Detachment of the 3d Wisconsin, 2nd Colorado, 9th and 14th
Kansas Cavalry, 1st Kansas (Colored) Infantry, 3d Indian Home
Guards and the 2nd Kansas Battery. On June 26 the detachment,
under the command of Col. J. M. Williams, of the colored
regiment, left Baxter Springs, Kan., with a supply train for
Fort Blunt, in the Indian Territory.
Upon reaching Cabin creek about noon on July 1, the enemy was
found strongly posted in a thicket on the opposite side of the
stream in a position commanding the approach to the ford. This
force, consisting of McIntosh's and Stand Watie's Cherokee and
Creek regiments, with about 600 Texas rangers numbered from
1,600 to 1,800 men. One of the howitzers was ordered forward
and a brisk fire of shell and canister poured into the thicket,
but without effect.
Owing to recent rains the creek was too high to risk crossing
with the train, and Williams withdrew a short distance to wait
until the next morning. The plan of attack on the 2nd was to
place 2 pieces of artillery on the extreme left, 2 in the
center and 1 on the right, and attempt to cross under the fire
of the guns. The Indian home guards were deployed on the right
and left of the ford and the main body placed in the center.
For a half hour the artillery shelled the woods on the opposite
bank, the enemy at first responding with a brisk fire, which
gradually grew less, when the main column moved forward across
the creek, quickly formed on the other side and by a vigorous
charge drove the enemy from his position. The Kansas cavalry,
under Capt. Stewart, followed for some distance and succeeded
in taking 19 prisoners
The Union loss was 3 killed and 30 wounded. The loss of the
enemy in killed and wounded was not learned.
Source: The Union Army, Vol.,5 p.,200
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Cabin Creek, Ind. Ter.,
Sept. 19, 1864.
2nd, 6th and 14th Kansas Cavalry and 1st and 3d Indian Home
Guards. On the 12th a supply train left Fort Scott, Kan. with
an escort of 260 men, commanded by Maj. Henry Hopkins, of the
2nd Kansas cavalry. The train consisted of 205 government
wagons, 91 sutler wagons and 4 ambulances, the destination
being Fort Gibson, Ind. Ter.
On the afternoon of the 18th Cabin creek was reached and
Hopkins halted, having received a dispatch from the commander
at Fort Gibson instructing him to wait there for further orders
to move the train. A scout of 25 men was sent out to ascertain
the position and strength of the enemy, which was known to be
in the vicinity.
About 3 miles south of the station at Cabin creek a large body
of the enemy was found in a hollow in the prairie. In the
meantime the escort had received reinforcements that brought
the number up to about 600 men. Hopkins placed a strong picket
and arranged his train in the best possible position to resist
an attack.
About midnight the pickets were driven in and an hour later the
enemy, about 2,000 or 2,500 strong, opened fire with his
artillery in front and on the right. The escort put up a brave
resistance and held them in check until after daylight, when
the artillery was moved up to within 100 yards of the Union
position and Hopkins ordered a retreat.
At the first fire the teamsters stampeded, taking one or more
mules from each team, which made it impossible to save the
train, except a few wagons and an ambulance. The rest of the
train fell into the hands of the enemy, who took over 1,200
mules and about 100 wagons, and destroyed the rest.
The Union loss was about 35 men in killed, wounded and missing.
That of the enemy was not learned.
Source: The Union Army, Vol.,5 p.,200