On February 15, 1979, collector Richard Eitland interviewed Howard Heckethorn (born September 14th, 1922 in St. George, Utah) at Red Rock Elementary School in Las Vegas, Nevada. Mr. Heckethorn discusses going to school in the early days of Las Vegas, Nevada. He also talks about many notable teachers he had, as well as the development of the Las Vegas area.

From the Sister Klaryta Antoszewska Photograph Collection (PH-00352). The presentation slide lists the steps required to conduct atmospheric and underground bomb tests. 

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

From the Sister Klaryta Antoszewska Photograph Collection (PH-00352). The presentation slide title reads, "Comparative Radiation Exposures"

From the Sister Klaryta Antoszewska Photograph Collection (PH-00352). The presentation slide reads, "Total announced tests and radiation measured off the test range complex"

From the Sister Klaryta Antoszewska Photograph Collection (PH-00352). The presentation slide reads, "Total announced tests and radiation measured off the test range complex"