Question: What was the length, in the 1980's, of the river John J Conway used as a source of water for the settlers to whom he sold land ?
Sentence (from "Ridgefield Township, New Jersey"): As described in the 1882 book, "History of Bergen and Passaic counties, New Jersey," "Ridgefield is the first township in Bergen County which the traveler enters in passing up the Palisades.
Relevant evidence: No