Wynkoop, Edward Wanshear Major, requested as agent by Indians, treaty south of the Arkansas R.M.News N 3, 1865 p.4 c.2 Colorado, registered in New York. R.M.News Ja 9, 1866 p.4 c.3 Major, 1st Colorado cavalry now at Ft. Riley, Kansas. R.M.News Ja 30, 1866 p.4 c.2 Brother, Col. George Wyncoop, dies near Kansas City. R.M.News Ag 9, 1866 p.4 c.2