The River Cam was a river in Cambridge. (TV: Shada [+]Douglas Adams, Doctor Who (1992)., PROSE: Punting [+]Error: Code 2 - no data stored in variables, cache or SMW.)
By 2594, it had been turned into a monorail track. (PROSE: Deadfall [+]Gary Russell, adapted from Audio Visuals, Virgin New Adventures (Virgin Books, 1997).)