
1) Dutch for hidden river 2) River through Philadelphia
Found on
https://www.crosswordclues.com/clue/schuylkill

county, east-central Pennsylvania, U.S., located west of the city of Allentown and bordered to the south by Blue Mountain. It consists of a rugged ...
Found on
http://www.britannica.com/eb/a-z/s/46

Synonym (also Schuylkill Grape, Schuylkill Madeira, Schuylkill Muscadel, Schuylkill Muscadine) for the vine variety Alexander; see there. Alexander The red grape variety comes from the USA. Synonyms are Alexander's, Alexandria, Alexander Grape, Black Cape, Black Grape, Buck Grape, Cape Grape, Clifton's Constantia, Clifton's Lombardia, Columbia...
Found on
https://glossary.wein.plus/schuylkill
No exact match found.