Decade ("60s" or "sixties"), although this may leave it uncertain which century is meant. These references are frequently used to encapsulate popular culture or other widespread phenomena that dominated such a decade, as in "The Great Depression of the 1930s" or "The Roaring Twenties". However, the Gregorian calendar begins with the year 1. (There is no year "zero", and the year before AD 1 is 1 BC with nothing in between.) Therefore, its "first" decade is from AD 1 to AD 10, the "second" decade from AD 11 to AD 20, and so on. So, although "the 1960s" comprises the years
Roaring Brook (Lackawanna River tributary) on the stream. In the early 1900s, the main industries in the watershed of Roaring Brook included agriculture, brick making, and coal mining. Around this time, the Delaware, Lackawanna and Western Railroad followed the stream throughout much of its length and the Erie Railroad followed the stream from Elmhurst to its mouth. The former was created by an 1852 merger of the Cobbs Gap and Delaware Railroad and the Lackawanna and Western Railroad, which were previously in the stream's watershed. The main stem was used as a water supply for Scranton by the Scranton Gas and Water Company. It was