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Page 79
By the end of the Pleistocene they about 30 genera . all became extinct in their
homeland , just as horses did . Infraorder Suina The hypertragulids were a mainly
Oligocene group of Lower Oligocene to present . Includes the living pigs ...
By the end of the Pleistocene they about 30 genera . all became extinct in their
homeland , just as horses did . Infraorder Suina The hypertragulids were a mainly
Oligocene group of Lower Oligocene to present . Includes the living pigs ...
Page 318
Content and Progress of Earth's Atmospheric Evolution approximate years before
present X 10-9 ( not to scale ) present 0.02 0.07 0.10 0.23 sedimentary calcium
sulfate 0.30 red beds 0.38 0.40 0.64 ? 1.8-2.0 photodissociation H : 0 + UV -- OH
...
Content and Progress of Earth's Atmospheric Evolution approximate years before
present X 10-9 ( not to scale ) present 0.02 0.07 0.10 0.23 sedimentary calcium
sulfate 0.30 red beds 0.38 0.40 0.64 ? 1.8-2.0 photodissociation H : 0 + UV -- OH
...
Page 668
In 12000 BC , ice covered all of northern Europe as far as the present German -
Polish coastline ; by 7700 BC glacial meltwater had formed the Yoldia Sea ,
which stretched east from the present Skagerrak across what is now lake - strewn
...
In 12000 BC , ice covered all of northern Europe as far as the present German -
Polish coastline ; by 7700 BC glacial meltwater had formed the Yoldia Sea ,
which stretched east from the present Skagerrak across what is now lake - strewn
...
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