Assertion: aquifer | /r/HasProperty | indicated by well
Facets:
Source sentences:
text: The aquifer is highly permeable in places, as indicated by wells that yield as much as 2,000 gallons per minute and the presence of large springs that issue from the aquifer.
text: The aquifer is highly permeable in places, as indicated by wells that yield as much as 1,000 gallons per minute and springs that issue from the aquifer, which maintains the base flow of streams in the area.