Question: Where is the 19th-century gold rush town 30 km north a town in the broad fertile Cudgegong River valley 261 km north-west of Sydney?
Sentence (from "Błędowo, Ostrołęka County"): It lies approximately 9 km north-west of Baranowo, 30 km north-west of Ostrołęka, and 114 km north of Warsaw.
Relevant evidence: No