File:USGS Hydraulic Fracturing Sand.jpg

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Description
English: "Fine-grained silica sand is mixed with chemicals and water before being pumped into rock formations to prevent the newly created artificial fractures from closing after hydraulic fracturing is completed. Location: AR, USA; Date Taken: 2012; Photographer: Bill Cunningham, USGS". See Hydraulic fracturing
Date
Source http://gallery.usgs.gov/photos/03_08_2013_v0Qd72Gts4_03_08_2013_2
Author Bill Cunningham, USGS, public domain

Licensing

Public domain
This image is in the public domain in the United States because it only contains materials that originally came from the United States Geological Survey, an agency of the United States Department of the Interior. For more information, see the official USGS copyright policy.

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Date/TimeThumbnailDimensionsUserComment
current04:59, 21 November 2013Thumbnail for version as of 04:59, 21 November 20133,872 × 2,592 (4.36 MB)A5bUser created page with UploadWizard

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