In response to another call, as from some subterranean place came muffled Eskimo shouts.
"My Attainment of the Pole"
Frederick A. Cook
These subterranean passages were deepened and lengthened until they went a mile or more beyond Arras to the edge of the German front lines.
"From Bapaume to Passchendaele, 1917"
Philip Gibbs
The enemy poured shells into the city, which I watched that night before the dawn from the ramparts outside, but in the morning they came up from those subterranean galleries and for a little while no more shells fell in Arras, for the German gunners were busy with other work, and were in haste to get away.
"From Bapaume to Passchendaele, 1917"
Philip Gibbs