The TV station starts with W. West of the Mississippi stations start with K.
The sign outside a labor office uses Canadian spelling "labour" -- the film was set in Minnesota but was actually shot in Ontario.
Midway through the movie an actual People Magazine cover (Angie Dickinson) dated late November 1978 is used to illustrate the public attention the women's picket line against the bank was drawing -- yet conclusion of the film involving the court ruling is supposedly set in May of that year, half a year earlier.
Although the story unfolds in chronological order, a People magazine article dated November 1978 is used midway through the movie to demonstrate the national publicity the fledgling bank strike was generating, even though the strike (which went on for more than two years) was resolved in early 1979 -- just a few months after the magazine first reported that the women were picketing.