Every about 2,000,000 people visit Mount Rushmore where the faces of 4 U .S Presidents by
carved in granite by structure Gotzon Borglum and his son the Lincoln Borglum. The creation of
Mount Rushmore monument took 14 years from 1927 to 1941 and nearly a million dollars.
These were times when money was difficult to come by and many people were jobless.To.move
the more than 400,000 tons of rock,Borglum hired laid – off workers from the closed – down
mines in the Black Hills area.He taught these men to dynamite,drill,carve,and finish the granite
as they were hanging in midar in his specially devised chairs ,which hadany safety
features.Borglum was proud of the fact that no workers were killed or severely injured during
the years of blasting and carving.
During the carving , many changes in the original design had to be made to keep the
carved heads free of large fissures that were uncovered.However , not all the cracks could be
avoided,so Borglum concocted a mixture of granite dust ,white lead and linseed oil to fill them.
Every winter ,water from melting snow gets into the fissures and expands as it freezes
,making the fissures bigger.Consequently,every autumn maintenance work is done to refill thecracks.The repairers swing out in space over a 500 – foot drop and fix the monument with the
same mixture that Borglum used to preserve this national monument for future generations.
Questions:
.How many people will visit Mount Rushmore every year?
a)2,000,000
b)2,0000
c)200,000
Answers
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Answer:
a) 2,000,000
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