Hoover Dam<span>, once known as Boulder Dam, is a concrete arch-gravity dam </span>in<span> the Black Canyon ....</span>Construction<span> of a rail line joining Las Vegas and the dam site began </span>in<span> September </span>1930<span>. .... Falling objects were the most common cause of death on the dam site; the highscalers' work thus </span>helped<span>ensure</span><span> worker safety</span>
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Include the document but based on what you sayed egyptians were very advanced they had a library and recored history and forcasted the tide of the nile river.
During his election campaign in 1988, George H.W. Bush promised not to "<span>A. raise taxes," since saying this was a common platform for conservatives, who usually opposed higher rates of taxation. </span>
