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USGS scientist giving demonstration to visiting Kazakhstani scientists

By California Water Science Center
picture of USGS scientist giving a demonstration to visiting scientists
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Detailed Description

Allen Christensen, U.S. Geological Survey California Water Science Center Hydrologist, explains how to use a Lacoste Romberg Type D Gravimeter to four scientists (and two interpreters) from Kazakhstan, who visited the Center's San Diego office March 4, 2016.

Sources/Usage

Public Domain.