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 world's largest hydroelectric dam is the Three Gorges Dam located on the Yangtze River in China.   Anoth â¦ er famous dam is the Hoover Dam, located on the Colorado River at the boarder of Arizona and Nevada (US Route 93).  Anmother one is Kaptai Dam, Chittagong, Bangladesh.onfidence votes 5.4K. What I've been able to find for the Hoover Dam says ~$50 million in the 1930's, today that's roughly $690 million. The entire Boulder Canyon Project cost around $165 million, which included the Hoover Dam.