So they tell me.
3 seconds sound clip from the The Big Trail (1930) movie soundboard.
You can hear this line at 01:15:40 in the Blu-ray version of the movie.
Quote context
[...]
- You do your job before you leave the fort.
- Black Elk and the Cheyennes are going west to hold a powwow with the Shoshones.
- Yeah, Black Elk tells me that it's almost certain that the Cheyennes will declare war later.
- Likely.
- Old Pete Rubideaux was asking about you a while ago.
[...]