A metal grate covers the mine shaft near the Spirit Gulch area on Red Mountain Pass where Ridgway resident Jennifer Nelson accidentally drowned on Oct. 20, 2025, while hiking with dogs. The hole was uncovered until after Nelson's death. State officials estimate there are at least 23,000 hazardous mine features across Colorado that have been identified, but there are likely even more that aren't yet documented. Photo courtesy Colorado Division of Mine Reclamation and Safety
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Investigators close case on mine shaft death
Nearly a year later, authorities conclude Ridgway resident Jennifer Nelson accidentally drowned
Eleven months after rescue volunteers found Jennifer Nelson's body in a water- filled mine shaft on Red Mountain Pass, investigators are left wondering what her final moments looked like.