A new film explores the history of Rocky Flats, from nuclear weapons plant to wildlife preserve

If you visit the Rocky Flats National Wildlife Refuge northwest of Denver, you see different types of wildlife, miles of hiking and biking trails and acres of rolling prairie.  

But you don’t see any trace of the astonishing history of what happened there during the Cold War: Rocky Flats was the site of a plant that made plutonium triggers for nuclear weapons until it was shuttered in the early 1990s.  

Officials removed later removed the buildings used in processing plutonium and cleaned up the area. And after a series of sometimes contentious public hearings, the wildlife refuge opened to the public in 2018. 

Filmmaker Jeff Gipe explores that history in a new documentary, Half-Life of Memory: America’s Forgotten Atomic Bomb Factory. Gipe grew up in nearby Arvada. His father worked at the plant in the 1980s.  

Gipe says he made the film to remind people of the hazards buried beneath the wide-open spaces of the wildlife refuge, and to share the voices of workers whose lives were affected by the dangerous materials processed at Rocky Flats.  

Today we’re listening back to Gipe’s conversation with Erin O’Toole recorded ahead of the film’s premiere at the Denver Film Festival in November. 

The documentary is now available for streaming on Apple TV+ and Amazon Prime Video, and will be screened Feb. 23 at the Colorado Environmental Film Festival in Golden. Find the complete lineup and schedule for the festival here. 

You can watch the film’s trailer here.

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Host and Producer: Erin O'Toole
Producer: Ariel Lavery
Executive Producer: Brad Turner

Theme music by Robbie Reverb
Additional music by Blue Dot Sessions
In The NoCo is a production of KUNC News and Community Radio for Northern Colorado.

What is In The NOCO?

KUNC's In The NOCO is a daily look at the stories, news, people and issues important to you. It's a window to the communities along the Colorado Rocky Mountains. The show explores the big stories of the day, bringing context and insight to issues that matter. And because life in Northern Colorado is a balance of work and play, we explore the lighter side of news, highlighting what makes this state such an incredible place to live.