Complex sentence: The Ganaraska River (affectionately known as "The Ganny"), is well-known to area anglers for annual salmon and trout runs, and has been responsible for many historic floods, the most recent having been in 1980.
Split into simpler sentences: The Ganaraska River (affectionately known as "The Ganny"), is well-known to area anglers for annual salmon and trout runs. It has caused many historic floods, the most recent having been in 1980.