highwall

[ hahy-wawl ]

noun

1. the unexcavated face of exposed overburden and coal in a surface mine.

Word History and Origins

Origin of highwall¹

high + wall

Example Sentences

Crews will also backfill an additional highwall and excavate a large trench.

From Washington Times

Health, Safety and Training said preliminary information indicates Adam DeBoard of Craigsville died of head injuries he suffered in a fall from a highwall mine.

From Washington Times

Authorities say Whitlock was a highwall miner operator for Bundy Auger Mining Inc.

From Seattle Times

A miner for eight years, Partin was working at a so-called highwall mining site, where an auger is used to bore holes into the side of exposed earth and rock.

From Seattle Times

Tilcon manager Bill Conklin said they spotted the dog near the top of what he referred to as a highwall, which dropped 45 feet to the rocky edge of a sump pit where groundwater accumulates.

From Washington Times