Thứ Năm, 2 tháng 3, 2017

NPR News: Heavy Rainfall Strains One Of California's Most Essential Reservoirs

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Heavy Rainfall Strains One Of California's Most Essential Reservoirs
Snow surveyors are measuring the health of the snow pack in the high altitude Sierra Nevada. After years of drought, much of the state is now experiencing one of its wettest years on record.

Đọc thêm tại NPR
at March 2, 2017 at 04:31AM
Health & Science
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