The thought of climbers matter-of-factly navigating their courses and using the exposed and still-clothed corpses of long dead anonymous climbers as reference points is more than a bit grisly.
Reminds me of that great 70s book, "101 Uses for a Dead Cat." 101 Uses for a Dead Mountain Climber.
"What is your location?"
"We are 150 feet past Green Boots and almost to Frost-bit Brit."