DCHP-1 Online
mountain pony 
a small, sure-footed pony of the Rockies. See also mountain cayuse.
- 1922 . . . we could ride almost anywhere on mountain ponies, which were nearly as sure-footed as the goats.
- 1958 It is this spirit which sends the Trail Riders into the mountains on spirited mountain ponies. . . .
- 1922 . . . we could ride almost anywhere on mountain ponies, which were nearly as sure-footed as the goats.