measurements
dates
who
why
facts
100

how tall was it in feet

726 feet

100

when did they start building it

1931

100

who where the architects 

Henry J. Kaiser or Gordon Kaufmann

100

why was it made

Hoover Dam was to supply the electrical power

100

is it safe

no more or less than 100 people died

200

how thick was it

660 feet

200

when did they finish building it

1936

200

what company built the dam

six company inc.

200

why was it needed

to supply water to Las Vegas

200

what would happen if machines kept hitting it  

it would start to crack

300

how long was it

1244

300

how long did it take to build it

11 years

300

who came up with the idea to make it

Arthur Powell Davis

300

why does it matter

used to finance more water projects

300

how many bodies are burred in it

more or less then 100 bodies