▁River ▁or ▁Battle ▁of ▁Middle ▁Bog gy ▁Dep ot , ▁took ▁place ▁on ▁February ▁ 1 3 , ▁ 1 8 6 4 ▁in ▁Cho ct aw ▁Indian ▁Territ ory , ▁ ▁south ▁of ▁what ▁is ▁now ▁Allen ▁in ▁Pont ot oc ▁County , ▁Oklahoma . ▁Ad van cing ▁down ▁the ▁Drag oon ▁Tra il ▁toward ▁Fort ▁W ash ita , ▁Union ▁Colonel ▁William ▁A . ▁Phill ips ▁sent ▁out ▁an ▁advance ▁of ▁approximately ▁ 3 5 0 ▁men ▁from ▁the ▁ 1 4 th ▁Kansas ▁Caval ry ▁( led ▁by ▁Maj . ▁Charles ▁Wille tt s ) ▁and ▁two ▁how itz ers ▁( led ▁by ▁Captain ▁Sol omon ▁Kauf man ) ▁to ▁attack ▁a ▁Confeder ate ▁out post ▁guard ing ▁the ▁Tra il ' s ▁crossing ▁of ▁Middle ▁Bog gy ▁River . ▁The ▁Confeder ate ▁force ▁was ▁led ▁by ▁Captain ▁Jonathan ▁N ail ▁and ▁composed ▁of ▁one ▁company ▁of ▁the ▁First ▁Cho ct aw ▁and ▁Ch ick as aw ▁Caval ry , ▁a ▁det achment ▁of ▁the ▁ 2 0 th ▁Texas ▁Caval ry ▁and ▁part ▁of ▁the ▁Sem in ole ▁Battalion ▁of ▁Mount ed ▁R if les . ▁The ▁out post ▁was ▁about ▁ ▁from ▁M ud dy ▁Bog gy ▁Dep ot , ▁which ▁was ▁held ▁by ▁the ▁Confeder ates . ▁The ▁Encyclopedia ▁of ▁Oklahoma ▁History ▁and ▁Culture ▁says ▁that ▁the ▁battle field ▁was ▁ 1 5 ▁miles ▁n ortheast ▁of ▁the ▁dep ot , ▁whereas ▁the ▁battle field ▁marker ▁says ▁the ▁distance ▁was ▁ 1 2 ▁miles . ▁ ▁The