Answers:

   1) a. Annie's necklace was 30 feet.

   2) c. Pecos Bill's horse's name is Lightning.

   3) b. Swamp Angel saved a covered wagon from dejection swamp.

   4) d. Casey Jones' train number is 382.

   5) c. Paul Bunyan is a lumberjack for a living.

   6) b. The river that Mike Fink wrestled the alligator on is the Mississippi .