The black and white view of Howard Hughes (left) and Mayor Fiorello Laguardia (right) seated in an automobile that was used in a parade dedicated to Hughes' completion of his Round the World flight in New York City, New York.

The black and white view of Howard Hughes (left) and Mayor Fiorello Laguardia (center) seated in an automobile that was used in a parade dedicated to Hughes' completion of his Round the World flight in New York City, New York.

Black and white image of three employees from the Stenographic Office at the Bureau of Reclamation with the following printed description: "Left to right: Hannah Houn, Stenographer; Cecile M. Dotson, Mails and File Clerk; Rose V. Crippa, Stenographer."

From the Sister Klaryta Antoszewska Photograph Collection (PH-00352). The presentation slide reads, "Off-site radiation exposure review project organization chart"

From the Sister Klaryta Antoszewska Photograph Collection (PH-00352). The presentation slide title reads, "Underground nuclear test execution sequence"