this is a western about confederate troop undercover in the west. I believe they were waiting for either horses or money. they end up saving a stagecoach from Apache Indians. the movie was in English, I had to have watched it on television. it was in black and white. It may have been a Disney movie.
“Rocky Mountain”(1950)?
Rocky Mountain
http://imdb.com/rg/an_share/title/title/tt0042899/