Multiple Choice
Which two of these factors set the stage for the 1889 Johnstown flood?
A) poor design and "cutting corners" during construction
B) "cutting corners" during construction and heavy sedimentation filling in behind the dam
C) poor design and heavy sedimentation filling in behind the dam
D) poor design and obstruction of the spillway with debris
Correct Answer:

Verified
Correct Answer:
Verified
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