The boys were put to work taking care of their horse herds.
A herd of horses had obviously been there not long before.
No one stopped them as they walked through the camp toward the horse herd.
Like dust after a herd of horses, this can mean only one thing.
An hour later they found the main horse herd in a narrow valley several miles to the north.
To the south, just rolling country and, far in the distance, what looked like a herd of horses.
As a reference to the movie a herd of horses is running through the wilderness.
There were some cattle, a small herd of horses in the distance.
A herd of horses was moving from west to east, barely more than shadows in this light.
The first thing I saw was a thundering herd of horses.