- (void)viewDidLoad {
   [super viewDidLoad];
   NSString *path = [[NSBundle mainBundle] pathForResource:@"CityMappings"
                                                    ofType:@"plist"];
   cityMappings = [[NSDictionary alloc] initWithContentsOfFile:path];
}

- (void)dealloc {
   [cityMappings release]; 
   [super dealloc];
}
