Coal seams and clay beds near Donnelly, Alaska
Coal seams in the gravel and clay beds along the foot of the Alaska Range. The mountain sheep come down to licks and eat large quantities of the clay which probably contains sulphur from coal.
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| Format: | Still Image |
| Language: | unknown |
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Washington State Library
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| Online Access: | http://www.washingtonruralheritage.org:2012/u?/orcas,5547 |
| Summary: | Coal seams in the gravel and clay beds along the foot of the Alaska Range. The mountain sheep come down to licks and eat large quantities of the clay which probably contains sulphur from coal. |
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