primary migration

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Battle of Puebla. Cinco de Mayo. General Porfirio Diaz leads Mexican cavalry to victory against the French lead by General Charles Lorencez at Puebla, Mexico April 2, 1867. Oil on canvas, 1902. May 5, 1862. General Ignacio Zaragoza

Computer mapping, woman at early 1990s computer

Timeline of the 1990s

Small, white rat (genus Rattus) on a glass table. (rodent, laboratory, experiment)

Cruel and Unusual Punishments: 15 Types of Torture

B-52G with cruise missiles, USAF, short range attack missiles SRAMs; guided missile

11 of the World’s Most Famous Warplanes

Close up of praying mantis walking on stone ground against a blurred background in Japan

6 Animals That Eat Their Mates

The Colosseum, Rome, Italy. Giant amphitheatre built in Rome under the Flavian emperors. (ancient architecture; architectural ruins)

New Seven Wonders of the World

Baseball laying in the grass. Homepage blog 2010, arts and entertainment, history and society, sports and games athletics

10 Greatest Baseball Players of All Time

primary migration

geology

Learn about this topic in these articles:

petroleum formation

In petroleum: Origin in source beds
…the source rock is termed primary migration.
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