Minnesota Chiu Kong-lō͘ 21

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Chú-kàn Long-lō͘ 21
Trunk Highway 21
Lō͘-sòaⁿ ê ki-pún chu-sìn
Uî-hō͘ pō͘-bûn Minnesota Kau-thong Kio̍k
Chú-iàu ê kau-hōe kong-lō͘

Minnesota Chiu Kong-lō͘ 21 (Eng-bûn: Minnesota State Highway 21; MN 21) sī chi̍t tiâu tī Bí-kok Minnesota Chiu ê chiu-kip kong-lō͘.