Grand Teton National Park rangers use a helicopter to lower a rescue ranger and a litter carrying a patient.

After falling 100 feet down snowy and rocky terrain Friday night in Grand Teton National Park, Nergui Enkhchineg limped into a campsite and pleaded for help.

One of the seven people at the backcountry campsite in the South Fork of Garnet Canyon had downloaded Backcountry SOS before visiting Jackson from Minnesota and had just enough cell service to get a 911 text to dispatch using the application.

Racing against waning daylight, park rangers were able to respond by Teton Interagency Helicopter to Enkhchineg’s exact location.

They completed the mission and rushed the 28-year-old to St. John’s Medical Center just before dark.

Enkhchineg sustained significant injuries, park spokeswoman Denise Germann said.

Backcountry SOS, a free smartphone application launched in Teton County (Wyoming and Idaho) last year, gives dispatchers exact coordinates.

It also gives users options to let emergency responders know what’s going on via three buttons — lost or trapped, injured or life threatening.

Download the Backcountry SOS app at

Contact Emily Mieure at 732-7066 or

Emily Mieure covers criminal justice and breaking news. She has reported for WDRB TV in Louisville, Ky., WFIE TV in Evansville, Ind., and WEIU TV in Charleston, Ill.

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