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USGS Study: 1200 square miles of Central Valley land is sinking

Cracks and buckle along Delta Mendota Canal.
Cracks and buckle along Delta Mendota Canal.
Amy Quinton

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A new study shows sinking land in California's Central Valley is affecting flood control, water deliveries, and high speed rail.

The US Geological Survey says the fault lies with large groundwater withdrawals. The changing terrain will be quite a challenge for people looking to build the high speed rail system.

For Capital Public Radio, Amy Quinton reports that finding a solution won't be easy.