If you are talking about Wisconsin the Brule and the Menominee Rivers form the border of the state.
Missouri river
The Missouri River
The Potomac River
The St. Lawrence River.
The Aquidaban River is a river in northeastern Paraguay. The Apa River forms part of the border between Paraguay and Brazil. The Acaray River in eastern Paraguay.
The Mississippi River runs along the northeastern border of Dakota County, Minnesota.
the st. Marys river
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France is on the northeastern Spanish border.
the river that forms the border between India and Kentucky is the Mississippi River.
The Columbia River forms most of the border between Oregon and Washington before flowing into the Pacific Ocean.The river that forms part of the border between two northwestern states and flows into the pacific ocean is the Columbia river.
The Snake River forms part of Oregon's eastern border
The Colorado River forms the border between Arizona and California.The Colorado River.