Assertion: landfill | /r/HasProperty | unlined
Facets:
Source sentences:
text: The landfill under study, landfill I, is unlined and was used between 1950 and 1963, after which it was capped with a layer of humus.
text: The landfill is unlined, is in a high groundwater table, and has various sand channels, mixed soils, clays, and unconsolidated, fractured bedrock as its geology.