Appalachian mountains go through how many states?

The trail runs through 14 states. From South to North they are
# 1 Georgia
# 2 North Carolina
# 3 Tennessee
# 4 Virginia
# 5 West Virginia
# 6 Maryland
# 7 Pennsylvania
# 8 New Jersey
# 9 New York
# 10 Connecticut
# 11 Massachusetts
# 12 Vermont
# 13 New Hampshire
# 14 Maine