The Rocky Mountain Arsenal National Wildlife Refuge was once where some of the country’s dirtiest weapons were produced, like mustard and sarin gas and napalm. The discovery of roosting Bald Eagles in the 1980s helped change the course of this prairie landscape. It started a process of remediation that has transformed the space into a refuge for over 300 species of wildlife.More info and transcript at BirdNote.org. Want more BirdNote? Subscribe to our weekly newsletter. Sign up for BirdNote+ to get ad-free listening and other perks. BirdNote is a nonprofit. Your tax-deductible gift makes these shows possible.