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.
Early use. The earliest uses of Project Labor Agreements in the U.S. date back to several dam projects in the 1930s, including the Grand Coulee Dam in Washington, the Shasta Dam in California and the Hoover Dam in Nevada.