
1) Lake in Minnesota 2) Lake in northern Minnesota 3) Minnesota county or lake 4) Minnesota lake 5) Minnesota State Park 6) Mississippi river source 7) Mississippi source 8) Source of the mississippi
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https://www.crosswordclues.com/clue/itasca

Itasca is a cultivated variety of potato.
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http://www.probertencyclopaedia.com/browse/QI.HTM

The white grape variety (also Minnesota 1285) is a complex interspecific new variety between Frontenac Gris x Minnesota 1234, containing genes from Vitis aestivalis, Vitis berlandieri, Vitis cinerea, Vitis labrusca, Vitis lincecumii, Vitis riparia, Vitis rupestris and Vitis vinifera. It was named after the county in the US state of Minnesota. ...
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https://glossary.wein.plus/itasca

a lake in N Minnesota: one of the sources of the Mississippi River.
Found on
https://www.infoplease.com/dictionary/itasca
No exact match found.