Two schemes existed; either a special tool was required which kept at the pit head or else opening the lamp extinguished the flame.
12.
Some of the surface workers were women, known as pit brow lasses, who sorted coal on the screens at the pit head.
13.
Resultantly, their pit head workings were closed on economic grounds, although the workable underground coal faces were consolidated into the remaining shafts.
14.
Until around 2010, the metal floor tiles of the pit head baths were still in situ, but have since been removed by scrap thieves.
15.
The pit head features a horse powered wooden corves ( wicker baskets ), while miners held onto the rope with their foot in an attached loop.
16.
The Soviet report states that most deaths were of carbon monoxide poisoning due to the closing of ventilation and sealing of the pit head after the initial explosion.
17.
Coal mining is far from over under the area with plenty of coal yet to be extracted, although the pit head at Keresley is just a memory.
18.
Haig inspected the Loos area ( 24 June ) and expressed dissatisfaction with the ground; slag heaps and pit head towers which made good observation points for the Germans.
19.
Patterson examined the indicator which showed the cage's position and found it registered from the pit head, about a quarter of the shaft's total depth.
20.
Haig inspected the Loos area ( 24 June ) and expressed dissatisfaction with the ground ( slag heaps and pit head towers which made good observation points for the Germans ).
