Image:Coal.jpg
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Image
檔案歷史
連結
Coal.jpg
(41KB, MIME 類型:
image/jpeg
)
呢個係嚟自
Wikimedia Commons
嘅檔案。喺下面會顯示出佢喺
嗰邊嘅描述
。
This image is from:
[1]
This image is a work of the "Minerals in Your World" project, a cooperative effort between the
United States Geological Survey
and the
Mineral Information Institute
. The images were featured in the "Minerals and Materials Photo Gallery" on the website of the
U.S House
Subcommittee on Energy and Natural Resources. As a
work
of the
U.S. federal government
, the image is in the
public domain
.
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