Land Subsidence in California


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Date published: March 16, 2017

Extensometer Hunters: Searching for Long-Lost Technologies in San Joaquin Valley

San Joaquin Valley: the final frontier. These are the voyages of the U.S. Geological Survey. Its weeklong mission: to explore strange new locations, to seek out abandoned scientific technologies, to boldly go where no scientist has gone before (at least in a few decades).