Excavations took place at the Charterhouse Warren shaft, which is part of a limestone plateau, in the 1970s and 1980s as part of an effort to better understand the subterranean cave system.

Excavations took place at the Charterhouse Warren shaft, which is part of a limestone plateau, in the 1970s and 1980s as part of an effort to better understand the subterranean cave system. There, ...

The Charterhouse Warren shaft, which was first discovered in 1972, is thought to host the oldest evidence of the plague in Britain dating back 4,000 years, according to a separate study published ...

The diamond drill program has started at the Shaft Zone. North Zone: The North Zone, and a proximal IP anomaly both located in the northeast section of the Warren Patents, has emerged as the ...