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MARL PIT |
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| SN | A pit from which marl, a mixture of clay and carbonate of lime, is excavated. Marl is used as a fertilizer. |
| CL |
INDUSTRIAL |
| BT | DYE AND PIGMENT SITE |
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MARL PIT |
|
| SN | A pit from which marl, a mixture of clay and carbonate of lime, is excavated. Marl is used as a fertilizer. |
| CL |
INDUSTRIAL |
| BT | EXTRACTIVE PIT |
| RT |
CHALK PIT
CLAY PIT GRAVEL PIT MUG HOUSE POTTERY WORKS POTTERY WORKSHOP SAND PIT THROWING HOUSE
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