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By SCOTT SMITH, Associated Press
FRESNO, Calif. (AP) —Vast areas of California's Central Valley are sinking faster than in the past as massive amounts of groundwater are pumped during the historic drought, state officials said Wednesday, citing new research by NASA scientists.
The data shows the ground is sinking nearly two inches each month in some places, putting roads, bridges and vital canals that deliver water throughout the state at growing risk of damage.
Sinking land has occurred for decades in California because of excessive groundwater pumping during dry years, but the new data shows it is happening faster as the state endures its fourth year of drought.