This episode reveals that Flint was orphaned when he was about eight years old, and Jim Bridger took him and raised him. But an episode from a previous season was about someone else that practically raised Flint and was his father figure.
The flag that is used over the generals coffin and by the troop has 44 stars on it. Wyoming wasn't admitted to the Union until 1890.
There are 200 wagons in this episode. When the general calls a meeting of everyone, and it is reported that they are all present, there appear to be less than 50 people at the meeting. Even if there were only 1 adult per wagon, there would still be at least another 150 people missing. But many wagons have at least two adults - married people, relatives, etc.