John Potts Slough--F&S
Organized at Camp Weld, near Denver, August 26 to December 14, 1861. 3 Companies sent to Fort Wise, afterwards Fort Lyon, and duty there until March, 1862, when marched from Fort Lyon to Fort Union, N. Mex., March 3-10, and rejoin Regiment. Regiment left Camp Weld February 22 and march to Fort Union, N. Mex. At Fort Union March 10-22. March toward Santa Fe, N. Mex. Actions at Apache Canon March 26. La Glorietta Pass, or Pigeon Ranch, March 28. Peralta April 15. At Fort Craig until July. Garrison at Fort Garland, Fort Union, Fort Craig, Fort Larned and Fort Lyon, Colo., until November. Designation changed to 1st Colorado Cavalry November 1, 1862, which see.