Start Date: End Date: Published Date Data Date
Taming the Mississippi River
12263 x 8175 37 MB - JPEG
Published March 18, 2015
Engineers use levees, floodways, dams, and much more to control the ever restless Mississippi.
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Ancient Rome’s Port City
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Published March 15, 2015
The distinctive, hexagon-shaped Trajanic Basin marks the spot of one of the Roman Empire’s great engineering achievement.
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A Blizzard Blankets Mauna Kea
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Published March 13, 2015
Elevation matters when it comes to snow on Hawaii’s Big Island.