ASPEN, Colo. — Mountain Rescue Aspen responded to two climbing fatalities in less than a week. On Sunday, a climber died after falling on Castle Peak, south of Aspen. On Sept. 2, another climber was killed after falling off Maroon Peak. The Elk Mountains are very rocky, loose shale that’s crumbly and moves a lot,” said Jeff Edelson with Rocky Mountain Rescue. “It’s unfortunate to see two climber deaths in one week in one range. If we look back at our historical data, unfortunately, we do have a couple of deaths a year on average in our range. Sometimes they’re...