Maandelijks archief: februari 2018

Professional papers

He wrote more than twenty professional papers on subjects researched in the vicinity, and, with his colleague John Reed, published a summary volume for the general public called Creation of the Teton Landscape. When the Department of the Interior honored … Lees verder

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Jumping-Off Draw

Allan and David called it Jumping-Off Draw, its name on the map today. Finding numerous large bones in a meadowy bog, they named the place Buffalo Wallows. Indians had apparently driven the bison into the swamp to kill them. One … Lees verder

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The approximate volume

“We know, however, the approximate volume of sediment from the Powder River Basin, the Bighorn Basin, the Wind River Basin, the Laramie Basin, and so forth. We can say it all went downhill to the Mississippi Delta. But go to … Lees verder

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A cruel country

It is a cruel country as well as beautiful. Men seem here only on sufferance. After every severe storm we hear of people’s being lost. Yesterday it was a sheep camp mover who was lost in the Red Desert. People … Lees verder

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Cape Cod

They are higher than the highest dunes of Cape Cod, and they are lined up in rows four deep along the shore of Lake Michiganlongitudinal dunes, transverse dunes, parabolic dunes. Glacial effects. On our map of Indiana, three of them … Lees verder

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The unsorted gravels

By i871, oil was being pumped from the ground in nine countries, but ninety-one per cent of world production still came from Pennsylvania. When it was distilled into its components-paraffin, kerosene, and so forth-the gasoline, which in those days had … Lees verder

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The encouragement

Drake had, in addition, the encouragement of a Yale professor of chemistry who ran a bottle of the seepage through his lab and said, “It appears to me . . . that your company have in their possession a raw … Lees verder

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Moving cross-country

They also reveal density, and hence the types of rock. Moving cross-country, the machines make subterranean profiles known as seismic lines. Seismic shots with explosives have been used for years in the search for oil. Alaska is crisscrossed with all … Lees verder

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Carbonaceous materia

By weight, any rock that is half carbonaceous material is coal. Its density is roughly ten times the density of peat. In the United States, there is enough peat to keep Ireland warm for a thousand years. The United States … Lees verder

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Working in Alaska

More recently, working in Alaska, she had seen the sequence again, this time in tightly banded concentration, for the “American” conodonts were from reefs around Ordovician volcanic islands with steeply plunging sides and the “Scandinavian” conodonts were from cold deeps … Lees verder

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