What is an alluvial deposit at the mouth of a river called?

An all-new model of which classic car was introduced in 1998? Which two Italian-Americans were convicted of a double murder during a robbery on April 15, 1920? A historic partnership began in 1851 when Susan B. Anthony met which woman in Seneca Falls? What alliterative nickname was given to the Beatles in the 1960s? An amateur golf trophy first awarded in 1958 is named for which president? Which president, an amateur pianist, often entertained White House guests in the 1940s? Which word means both an amateur radio operator and a cut of pork? "An American Daughter" by which playwright of "The Heidi Chronicles" opened on Broadway in 1997?