Denver. "Firsts" Presbyterians first Private hospital to be equipped with artificial kidney in Rocky Mountain region. Post Feb. 20, 1958 p.27 c-3 Superior oil company is first tenant to move into new First.National Building. Post Mar. 1,, 1958 P-3 Denver's first jet air travel starts May 28th. Post Apr . 28, 1958 P.19 Denver chosen for development of atomic airplane. RMN May 21, 1958 P-3 RMN may 23,, 1958 p.20 G
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