marlpit

n.

（采掘泥灰的）泥灰坑；

marl pit
Detection of underground Marlpit mine using high resolution seismic
Marlpit Hall
[Small biotopes in farm land [Denmark, countryside, landscape, marlpit, bog, ditch, stream, hedgerows, roadside, plantations, gravel...
Why the silence on sexual assault case? ; Still no resolution to The Marlpit attack despite its high profile [Edition 6]
Council U-turn could end allotment hopes ; Marlpit Hill has a long waiting list and no room for expansion [Edition 5]
Great Bridge Marl Pit: a case study in the prevention of contaminant migration
XXXI. On a discovery of fossil bones in a marl-pit near North Cliff
On a discovery of fossil bones in a marl-pit near North Cliff
Description of a Fragment of the Head of a New Fossil Animal, Discovered in a Marl Pit, near Moorestown, New Jersey