• Rock County

Rock County (suomeksi)

Määritelmät:

• one of 87 counties in Minnesota, USA, with its county seat in (l, en, Luverne). It was named for its rocky soil.
• one of 93 counties in Nebraska, USA, its county seat is (l, en, Bassett).
• one of 72 counties in Wisconsin, USA, county seat (l, en, Janesville). Named after the (w, Rock River (Mississippi River), Rock River).