File: Open loop system.gif

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Open_loop_system.gif(319 × 324 pixels, file size: 10 KB, MIME type: image/gif)

This file is in the public domain, being produced by the United States Department of Energy (http://energy.gov/energysaver/articles/geothermal-heat-pumps).

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current21:30, 28 February 2014Thumbnail for version as of 21:30, 28 February 2014319 × 324 (10 KB)Rick Swarts (talk | contribs)This file is in the public domain, being produced by the United States Department of Energy (http://energy.gov/energysaver/articles/geothermal-heat-pumps).

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