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Petroleum potential of wilderness lands, Oregon Petroleum potential of wilderness lands, Oregon

No abstract available.

Petroleum potential of wilderness lands, Utah Petroleum potential of wilderness lands, Utah

No abstract available.

Petroleum potential of wilderness lands, Washington Petroleum potential of wilderness lands, Washington

No abstract available.

Petroleum potential of wilderness lands, Wyoming Petroleum potential of wilderness lands, Wyoming

No abstract available.

Photographs of the Upper Pleistocene section at Sankaty Head cliff, Nantucket Island, Massachusetts Photographs of the Upper Pleistocene section at Sankaty Head cliff, Nantucket Island, Massachusetts

The pre-Sangamonian and Wisconsinan glacial drift units and Sangamonian marine beds exposed tin the Sankaty Head cliff (fig. 1) constitute a unique and important upper Pleistocene stratigraphic section in southern New England. Many workers have studied the section over the past 130 years, paying most attention to the fossiliferous Sankaty Sand. The earliest study was by Desor and Cabot...

Physiographic diagrams of Mount St. Helens, Washington showing changes in its summit crater, 1981 Physiographic diagrams of Mount St. Helens, Washington showing changes in its summit crater, 1981

No abstract available.
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Mount St. Helens
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