Rescuers Hope to Reach Utah Miners Thursday In Utah, rescue crews are drilling holes from the surface to try to provide ventilation — as well as communication — to the location of the six miners, trapped since a mine collapsed Monday. One of the owners of the mine says rescuers hope to reach the men Thursday.
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Rescuers Hope to Reach Utah Miners Thursday

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Rescuers Hope to Reach Utah Miners Thursday

Rescuers Hope to Reach Utah Miners Thursday

Rescuers Hope to Reach Utah Miners Thursday

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In Utah, rescue crews are drilling holes from the surface to try to provide ventilation — as well as communication — to the location of the six miners, trapped since a mine collapsed Monday. One of the owners of the mine says rescuers hope to reach the men Thursday.

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We may finally know, sometime tonight, the fate of six coal miners in Utah trapped since Monday. Rescue crews have been drilling a two-inch hole that's close to reaching the men. Once the drilling is finished, the rescue team will send down tiny cameras and listening devices. And of course, they'll be looking and listening for signs of life.

NPR's Jeff Brady reports.

JEFF BRADY: The drilling was proceeding well and crews thought they had reached the miners this afternoon, but then they discovered the men are farther down on the mountain than first thought, about eighteen-hundred feet. Mine owner Bob Murray says as soon as the drill reaches where the trapped miners are located, crews will lower a communications device.

ROBERT MURRAY: Oh, it won't take us but a few minutes. What we have done, we've already checked out the equipment. That equipment's ready to go. As quicker as we can drop it down to -hook up the communication equipment, we'll be able to start seeing if we're picking up any noise down there.

BRADY: Murray says crews also have cameras they can lower down the hole. He says they'll even figure out a way to get food and water to the men if they need it. By Friday evening, an eight-and-a-half inch hole should be drilled, making it easier to send down supplies.

Down in the mine, workers are clearing about 300 feet of rubble every day. Murray says if the debris is solid all the way to where the miners are, that process could take six to seven days. While crews worked day and night, families of some of the victims attended a special mass a half hour away in Huntington.

Bishop John Wester of the Diocese of Salt Lake City led the mass.


JOHN WESTER: Very often in life, we find ourselves lost. And yet we know that, especially in the second reading of the Gospel of Matthew, that Jesus came to reassure us that God is always with us and that God will never, ever abandon us even in our darkest hour.

BRADY: Arch Allred was at the mass. His cousin, Kerry Allred, is among the trapped miners.

ARCH ALLRED: Kerry has a lot of endurance. You know, he'll hang in there until the end. The job never was finished until it was completely done, in Kerry's mind. They're all holding strong. They've got faith that there's people trying to rescue them.

BRADY: Utah Governor Jon Huntsman Jr. also attended the mass. He spent many hours this week, comforting the families of the trapped miners. But he also responded to news that a second group of geologists has concluded the mine collapse was not caused by an earthquake. Geologists at the University of Utah first reached that conclusion in the hours after the collapse. Then, yesterday, scientists at the University of California at Berkeley backed them up.

Governor Huntsman says he'll wait before expressing an opinion.

JON HUNTSMAN J: Well, I think those are two pretty good schools. That will likely be placed into a broader, comprehensive report and investigation that will then be undertaken by the federal authorities. And I, for one, look forward to reading that report and learning from it and getting smarter, better and safer as a result of what they have to say.

BRADY: Mine owner Bob Murray is not ready to agree with the scientists' conclusions, and said he only wants to talk about the rescue effort.

MURRAY: And I said I wasn't going in and talk about that anymore. And since you won't honor my request, this interview, for my part, is concluded.

BRADY: Assistant Secretary of Labor for Mine Safety and Health Richard Stickler would talk about the issue, but only to say his agency's investigation hasn't started yet.

RICHARD STICKLER: It would be disruptive to the rescue operation because we would be interviewing people. We would be taking management time, people that need to be focused on this rescue operation.

BRADY: Stickler says a panel of eight to ten people will be appointed, and they'll look into all the evidence to find out what caused the accident at the mine. He says a conclusion will be made public a couple months after the investigation begins.

Jeff Brady, NPR News, at the Crandall Canyon Mine in Utah.

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Could Robots Replace Humans in Mines?

A mining robot, called Groundhog, in action at a Pennsylvania coal mine. Carnegie-Mellon University hide caption

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Carnegie-Mellon University

The Cave Crawler mining robot, the latest prototype developed by Carnegie-Mellon University. Carnegie-Mellon University hide caption

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Carnegie-Mellon University

Why do human beings still risk their lives burrowing miles under ground and doing one of the dirtiest and most dangerous jobs in the world?

It's an increasingly urgent question, given the recent high-profile mining accidents in Sago, W.Va., and Huntington, Utah. A small corps of engineers and robotics experts envision a day in the not-too-distant future when robots and other technology do most of the dangerous mining work, and even help rescue trapped miners, like the six men trapped in a mine in Utah.

"It's very promising technology," says Davitt McAteer, a former official with the Mine Safety and Health Administration.

Robotic technology, in particular, holds much promise, McAteer says, especially when it comes to mapping mines and rescuing trapped miners — the special operations of the mining industry. Robots can go where humans dare not tread: down debris-strewn corridors filled with flames and noxious fumes. Engineers envision robots acting as the modern-day version of the canaries that were once lowered into coal mines to check for poisonous gasses. (And robots, of course, don't demand higher salaries or go on strike.)

One of the first mining robots was developed five years ago at Carnegie-Mellon University's Robotics Institute. It was called Groundhog and it looked like a golf cart on steroids. It used lasers to "see" in dark tunnels and map abandoned mines — some of the most dangerous work in the business. Researchers sent Groundhog into an abandoned mine in Pennsylvania where it slogged deep into the orange muck, successfully navigating with its laser rangefinders.

Learning as It Goes

The latest prototype is called Cave Crawler. It's a bit smaller than Groundhog, and even more advanced. It can take photos and video and has sensors mounted that can detect the presence of dangerous gases. Cave Crawler is entirely self-contained— no tethers connecting it to the surface — and "learns" as it roams a mine by mapping its environment in three dimensions then following the map it has just created.

Those who have seen Cave Crawler in action are impressed. "It's fascinating to watch," says Paul Myles, director of sponsored programs at Wheeling Jesuit University in West Virginia, which took part in the robotics study. "The robot has a real sense of logic. If it encounters an obstacle it gets momentarily confused. It has to think through the process and where to go next, and sometimes it throws a fit just like a real person."

Myles and his colleagues hope that robots like Cave Crawler will one day be used in rescue operations. "A robot could drastically speed up the rescue process by doing reconnaissance," says Chuck Whittaker, a robotics engineer at Carnegie-Mellon. "The robot can go ahead and, with its sensors, report what it has found and whether it is safe for humans to proceed."

In 2005, a robot led the way into a Kentucky coal mine that had been belching acrid smoke and heat. The underground passage was uninhabitable. It was the first time a robot was sent into a coal mine ahead of humans to ensure conditions were safe, according to an official with the Mine Safety and Health Administration.

Using robots in rescue operations, though, is problematic. The lasers that guide the robots don't work in smoky environments so the engineers at Carnegie Mellon have experimented with sonar and radar guidance systems, and with some success.

A Question of Money

The biggest obstacle, though, is cost. The original research project was federally funded, but that money has dried up, and it's not clear where future funding will come from. Robots need to be certified by the federal government, and that is a costly and time-consuming process.

So far, the U.S. mining industry has shown little interest in funding such research. The robots are expensive and mining companies have little incentive to spend money developing and deploying them. Advances in other technology have already reduced the number of miners in the U.S. by more than two-thirds, compared with 40 years ago. Today, only about 100,000 people work in the coal-mining industry.

Partly for that reason, and partly because of advances in safety, mining is not nearly as dangerous as it was in the in the past. Since 1990, fatalities have declined by 67 percent, and injuries by 51 percent, according to the National Mining Association.

Some analysts question how much the industry is willing to pay to make mining even more efficient — and safer. For that reason, much of the technology being developed is simpler and cheaper than robots: For instance, ropes that emit low-level light that can help miners find their way out of a dark tunnel. Another promising technology uses ultra-low frequency text-messaging that can penetrate rock and enable mine officials to communicate with workers miles below the surface. One idea is to equip every miner with a tracking device that could relay information, including a miner's vital signs, back to the surface.

"None of the robots are a panacea," says Byron Spice, a spokesman for Carnegie-Mellon. "You're putting them into wet, cold, hot, smoky, and all-around horrible environment. The sensors get dirty, and the robots break down."

Some experts predict that robots in mines will serve much of the same function that they do in the automotive industry. The robots do the most repetitive and dangerous jobs, but don't eliminate the need for human workers.