Lake Passaic: An Extinct Glacial Lake is a book written by Henry Barnard Kummel in 1895. The book explores the geological history of Lake Passaic, which was once a large glacial lake that covered parts of New Jersey and New York during the last ice age. Kummel provides a detailed analysis of the lake's formation, its physical characteristics, and the various geological processes that contributed to its eventual disappearance. He also discusses the...