Assertion: marsh | /r/HasProperty | fed by groundwater
Facets:
value: usually
type: TEMPORAL
Source sentences:
text: Fens also contain only fresh water because they are fed by groundwater.
text: All types receive most of their water from surface water, and many marshes are also fed by groundwater.
text: Fens are minerotrophic peatlands, usually fed by mineral-rich surface water or groundwater.
text: All types receive most of their water from surface water, and many marshes are also fed by groundwater.