He himself had ridden all the way north to the Republican River to find enough buffalo, in the fall just passed.
The Republican River flooded near town and broke a dam.
They found the camp on the Republican River occupied by the tribes only after they had left.
"I might find out that I'm going to drown in the Republican River."
Near the Republican River he had his second piece of bad luck.
Nebraska's north of the Republican River, which we ain't come to yet.
"If I ever see you north of the Republican River, you'll be dead for sure."
The last Sioux were disappearing in the south, along the banks of Republican River.
From his bedroom, Jim can see the bluffs of the Republican River two miles south.
It was the first settlement in the county west of the Republican River.