| Label | Dataset | Type | Subdivision | Identifier | |
|---|---|---|---|---|---|
| 1. | Water--Purification--Rapid sand filtration |
LC Subject Headings (LCSH) |
ComplexSubject ComplexType Authority |
sh95003031 | |
| Rapid downflow sand filtration ; Rapid gravity sand filtration ; Rapid sand filtration ; Water--Rapid downflow sand filtration ; Water--Rapid gravity sand filtration ; Water--Rapid sand filtration | |||||
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