Answer: burros

AnswerCrossword Clue
BURROS

Small donkeys

BURROS

Forty-niners' carriers

BURROS

Canyon climbers

BURROS
Animals used in the California Gold Rush
BURROS
Pack animals.
BURROSPack beasts
BURROSPack animals
BURROSGrand Canyon sights
BURROSUnpaid mine workers
BURROSCertain pack animals
BURROSJackasses
BURROSCanyon critters
BURROSPack carriers