Complex sentence: The city's Parks and Recreation Department claims it is the "largest forested natural area within city limits in the United States", although an article in the "Portland Tribune" said Forest Park ranked no higher than third among U.S. urban forests in 2006.
Split into simpler sentences: The city's Parks and Recreation Department claims it is the "largest forested natural area within city limits in the United States". However, an article in the "Portland Tribune" said Forest Park ranked no higher than third among U.S. urban forests in 2006.