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A hatched or textured area marking extraction.
Also known as: Pit symbol, Open working marking, Gravel pit symbol
A quarry or pit is drawn with a hatched or ticked boundary showing worked faces. Because workings change faster than maps are revised, a quarry symbol is one of the least reliable features on an older sheet.
Marks a quarry, pit or open working, with hatching or ticks showing the worked faces.
Contexts: Maps
Ages badly relative to the rest of a map: extraction sites are extended, abandoned and flooded far faster than a sheet is revised.
Contexts: Maps
An irregular outline edged with short inward-pointing lines and filled with a stippled or hatched texture.