Black and white image of the Hoover Dam powerhouse. The Young Presidents' Organization arranged a party for nearly 1,000 people that was held on the powerhouse roof of Hoover Dam. The visitors, all wearing hard hats, were the first to use this setting. Tables, chairs, barbeque pits, a bandstand, and dance floor are visible on the powerhouse roof.

Black and white image of a celebration at the Hoover Dam powerhouse. The Young Presidents' Organization arranged a party for nearly 1,000 people that was held on the roof of the powerhouse. The visitors, the first to use this setting, would all be wearing hard hats. Tables, chairs, barbeque pits, a bandstand, and dance floor are visible.

Note: Front cover is die-cut to resemble the fold of a handkerchief or napkin. Hotel name given as "The Portland, Greenwich" on back cover. Includes toast list. Back cover damaged; information about the fraternal lodge is partially illegible; may read "New Cross Lodge, No. 1550" (only first three numbers are readable). "Brother Angelicē Cogliati, Worshipful Master." Date is probably April 1896 Menu insert: Toasts Restaurant: The Portland Location: Greenwich, London, England

Black and white image of a party at the Hoover Dam powerhouse. The Young Presidents' Organization arranged a party for nearly 1,000 people that was held on the powerhouse roof of Hoover Dam. The visitors, all wearing hard hats, were the first to use this setting. This group photo includes Ellis L. Armstrong, Dick Woodward, and Frank Lord.