Question: Which canal, the Conewago Canal or the Orleans Canal is longer ?
Sentence (from "New Canal Light"): The New Canal Light or (more commonly New Canal Lighthouse or New Basin Canal Lighthouse) was first established in 1838 at the north end of the New Basin Canal which ran from Lake Pontchartrain to the Uptown or "American" section of the city which today is known as the New Orleans Central Business District.
Relevant evidence: No