Image: Fig 7-2 Coal Production
Fig_7-2_Coal_Production.jpg (648 × 501 pixels, file size: 228 KB, MIME type: image/jpeg)
Description: US Coal production since 1949
Title: Fig 7-2 Coal Production
Credit: US Energy Information Administration
Author: US Energy Information Administration
Usage Terms: Public domain
License: Public domain
Attribution Required?: No
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