Picher

University of Oklahoma professor Bob Nairn stands on a bridge overlooking Tar Creek, which is contaminated with arsenic, cadmium, iron, lead and zinc from decades of mining.

Challenges And Progress Cleaning Up One Of Oklahoma’s Most Polluted Places

Joe Wertz

The Tri-State Mining District in northeastern Oklahoma’s Ottawa County was once the world’s largest source of lead and zinc. The mines had closed by the…

Cory Moates, owner of Moates Excavating, left, and Tim Kent, environmental director of The Quapaw Tribe of Oklahoma, inspect ongoing chat disposal from a site near Quapaw. The pit is the top of a collapsed mine near Picher.

Business and Economy

Beyond Casinos: Oklahoma Tribes Tackle Environmental Projects, Tourism Industry

Brian Hardzinski

Monday The Journal Record published its Tribal Economic Impact issue, a deep dive into how Oklahoma’s federally recognized Native American groups fund…

A sinkhole near the Tar Creek/Picher Superfund site in Northeast Oklahoma.

Oklahoma News

Quapaw Tribe Leads Cleanup Of Federal Hazmat Site

Associated Press

A Native American tribe in Oklahoma is poised to become the first tribe in the country to lead and manage the cleanup of a federal hazardous waste…