Although less common than Salmonella or Campylobacter, Shigella is a significant cause of foodborne disease. Shigella is responsible for 10% to 20% of cases of bacterial foodborne illness each year in the United States.
A century later, it continues to be a marvel in modern engineering. The LA Aqueduct brought water from the Owens Valley hundreds of miles away to a growing area in need of additional resources to sustain its people and their endeavors, helping spur an economy that today rivals that of many nations.
The Building of the Hoover Dam. written by: Jayant R Row â¢ edited by: Lamar Stonecypher â¢ updated: 10/10/2010. Periods of drought and floods on the Colorado River led to the idea of a dam on it. Production of power from the dam was expected to repay the costs of building it.