An asphalt plant is a plant used for the... |
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The sun silhouetted against the dark... |
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The containers carry the asphalt to a... |
The digger can only drive on the surface... |
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This is the largest deposit of asphalt in... |
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An asphalt plant is a plant used for the... |
Asphalt is a sticky, black, semi-solid... |
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Water is pumped out of this lake, known... |
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Pitch Lake is on the southwest peninsula... |
Industrial air pollution sources are... |
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As the water is pumped out of the lake... |
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The lake surface hardens overnight and... |
