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Title: Near-Surface Gravity Survey

Description: A USGS hydrologist prepares equipment to conduct a gravity survey to evaluate small variations in the earth's gravity field. The USGS Office of Groundwater Branch of Geophysics develops and tests new tools and field methods to support USGS analysis of groundwater flow systems.

Location: CA, USA

Date Taken: Mar 1 2007

Photographer: USGS Office of Groundwater, Branch of Geophysics , U.S. Geological Survey

Usage: This image is public domain/of free use unless otherwise stated. Please refer to the USGS Copyright section for how to credit the photo.

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File Details:
Type: JPEG image - 2.11 MB
Dimensions: 2592 x 1944
Resolution: 180 dpi

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Tags: equipment geophysics gravimeter gravity groundwater hydrogeophysics hydrology personnel research scientists water