It seems to be Days comments about Price's Invasion indicate that the regiment began the campaign as part of McCray's Brigde but was transferred to Jackman's Brigade of Shelby's division. As part of that unit it fought at Glasgow and at the Mockbee Farm on Oct. 22nd.

I should point out that a 2nd Colorado diary which I've posted on the message board lists prisoners captured in a charge by the regiment at Westport - and the prisoners include men from the 45th Ark. Cav.

Bryce