As the Spanish horse spread northward over the llano Estacado and overflowed across the mountains from the plains of the Cayuse, the Dakota and other tribes found a new means of conquest over the herds, and entered on a career so facile that they increased and multiplied despite strife and imported disease.
"The Siouan Indians"
W. J. McGee
The llano was alive with scurrying human beings.
"The Missourian"
Eugene P. (Eugene Percy) Lyle
From there he beheld an overpowering force, advancing diagonally across the llano below.
"The Missourian"
Eugene P. (Eugene Percy) Lyle