状態ルート
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america
animal
black
cart
collection
computer generated image
covered wagon
guide
guide sign
horizontal
illustration
isolated
isolated on white
keystone
marker
montage
nebraska
number
numbered road
numbered route
ox
oxcart
person
reflection
route
route marker
route shield
set
settler
sign
state
textured
transportation
united states
usa
wagon
white
wide