A. UK
B. UA
C. USA
D. Sweden
Submitted by: Manzoor ahmed
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Hoover Dam is a concrete arch-gravity dam in the Black Canyon of the Colorado River, on the border between the U.S. states of Nevada and Arizona.
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A. UK
B. UA
C. USA
D. Sweden
Submitted by: Manzoor ahmed
Hoover Dam is a concrete arch-gravity dam in the Black Canyon of the Colorado River, on the border between the U.S. states of Nevada and Arizona.
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