USGS scientist giving demonstration to visiting Kazakhstani scientists
![picture of USGS scientist giving a demonstration to visiting scientists](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/thumbnails/image/2016-03-05_lacoste-romberg-type-d-gravimeter-california-water.jpg?itok=VRwuMx04)
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.