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.
Virtual 7 Wonders Tour. Hoover Dam. Hoover Dam is located on the border of Arizona and Nevada in the Black Canyon of the Colorado River. The dam serves as a major source of flood control, irrigation water and hydorelectrical power in the Southwest.