Rock Valley (Iowa)
| Rock Valley | |
| — Chng-thâu (city) — | |
  Rock Valley |
|
| Keng-hūi-tō͘: 43°12′5″N 96°17′46″W / 43.20139°N 96.29611°W | |
| Kok-ka |  Bí-kok
|
|---|---|
| Chiu | Iowa |
| Kūn | Sioux |
| Chèng-hú | |
| - Lūi-hêng | city |
| Bīn-chek | |
| - Lóng-chóng | 4.4 km2 |
| Koân-tō͘ | 381 m |
| Jîn-kháu | |
| - Lóng-chóng | 2,971 lâng |
| - Bi̍t-tō͘ | 675.2/km2 |
Rock Valley sī Bí-kok Iowa chiu Sioux kūn ê chi̍t ê chng-thâu (city).
Jîn-kháu[siu-kái | kái goân-sí-bé]
Chit ūi tī 2010 nî ê jîn-kháu-sò͘ sī 3,354 lâng.
Liân-kiat[siu-kái | kái goân-sí-bé]
