St. Francis Dam Disaster - Video Questions

When did the St Francis Dam in Los Angeles County fail catastrophically?

• On the 20th of March, 1928

• On the 10th of March, 1928

• On the 15th of March, 1928

• On the 12th of March, 1928

What was the approximate capacity of water held by the St Francis Dam before it failed?

• Around 30 million cubic meters

• Around 47 million cubic meters

• Around 60 million cubic meters

• Around 20 million cubic meters

Who was in charge of addressing the chronic water shortage in Los Angeles during the early 20th century?

• John Stevens

• Henry Huntington

• 
  William Mulholland

• Frederick Eaton

What was the primary purpose of the massive aqueduct built by William Mulholland?

• To irrigate fields in Owens Valley

• To transport water from the Owens River to Los Angeles

• To provide water for agricultural use

• To generate hydroelectric power

What indicated that the foundations of the St Francis Dam might be eroding away in 1928?

• Decrease in water level

• 
  Seepage of muddy water

• Increase in water temperature

• Formation of algae

What was one of the first structures to be destroyed by the flood caused by the dam break?

• A highway patrol office

• 
  A hydroelectric power station

• The cottage of the dam keeper

• A small town

What was the height of the wave unleashed when the dam broke?

• The height of a thirteen-storey building

• The height of a twenty-storey building

• The height of a five-storey building

• The height of a ten-storey building

What did the telephone operators do to help people during the flood?

• Called homes in low-lying towns to warn them

• Evacuated people to higher ground

• 
  Rode motorcycles with sirens on

• Built temporary shelters

What was found as far south as the Mexican border after the flood?

• Surviving animals

• Motor vehicles

• Pieces of the dam

• Some bodies

What was determined to be the cause of the dam's failure?

• Natural disaster

• Defective foundations

• Sabotage

• Poor maintenance