If you tip regularly at the time of service throughout the year, you may feel inclined to give your house cleaner a smaller bonus at Christmastime. This may be appropriate if you tip sufficiently throughout the year to consider your regular generosity an adequate demonstration of your appreciation.
Hoover Dam is in the Black Canyon of the Colorado River, on the border between Arizona and Nevada in the USA. == == At the bottom or southern end of Lake Mead at the Nevada-Arizona border. Located in the Black Canyon on the Colorado River, Hoover Dam lies about thirty miles southeast of Las Vegas, Nevada.
The Hoover Dam is just beyond the Visitor Center. Take Highway 215 East toward Henderson, then Highway 93 toward Boulder City, on into the park; the dam is about 30 miles southeast of Las Vegas. The park website has detailed maps. Or, even better, just rent a car with GPS.