vgdhar27
vgdhar27
tej in the coal utilization lab
the block next to tej is a bituminous coal block taken out from the pittsburgh coal mine in 1890's. It has been varnished and supported to prevent the degradation of the coal with time.
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Uploaded on May 29, 2007
Taken on May 27, 2007
tej in the coal utilization lab
the block next to tej is a bituminous coal block taken out from the pittsburgh coal mine in 1890's. It has been varnished and supported to prevent the degradation of the coal with time.
209
views
0
faves
0
comments
Uploaded on May 29, 2007
Taken on May 27, 2007