Assertion: aquifer's acre foot | /r/CapableOf | fall on the valley floor
Facets:
Source sentences:
text: Of an average annual 12.4 million acre-feet of precipitation that fell on the valley floor, 10.9 million acre-feet was lost to evaporation because of the arid conditions that characterize the valley; thus, only 1.5 million acre-feet of precipita-tion entered the aquifer system as recharge.