sentences:  Abel published that rare account of life in the Upper Missouri River in 1932.She and her sister, Rose Abel Wright, also with a Yale PhD, collaborated on translating and editing another trader's account that Abel found among French geographer Joseph Nicollet's papers that ended up in the U.S. War Department Library.This account of a French expedition along the Missouri and Mississippi Rivers in 1803–1805 overlapped with the U.S. Lewis and Clark expedition and left a vital map that remained unknown until Abel and her sister brought it to life.