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Revision History

Not dated
On the page tectonics.html, the Chinese province struck by an earthquake in 1976 was changed from Haicheng to Hebei.
March 4, 1999 -- version 1.01
On the page cove.html, the box on the image showing Dinosaur Cove was moved westward to more accurately portray its location.
May 5, 1999 -- version 1.02
Some changes were made to the layout in general. No changes were made to the content.
May 6, 1999 -- version 1.03
On the page cove.html, on the image, the words printed on Antarctica were changed to read "Antarctica 108 million years ago" instead of "present day."
June 24, 1999 -- version 1.04
On the page exploring.html, the location of Great Barrier Reef was stated as being off the northwestern coast of Australia instead of the northeastern coast.
July 7, 1999 -- version 1.05
On the page Thingvellir.html, the caption was amended to state that the North American plate is to the right, not the left.
December 13, 1999 -- version 1.06
On the page polar.html, the name "ellito" was changed to "ellioti" and "Gondwanaland" was changed to "Gondwana."
March 28, 2000 -- version 1.07
On the page Endnotes.html, the authors' biographies were updated.
January 29, 2001 -- version 1.08
On the page cove.html, the dates for positions of Australia and Antarctica have been revised from 108 to 104 million years ago.
February 24, 2003 -- version 1.09
On the page Thingvellir.html, the caption has been amended for reasons of historical accuracy.
September 29, 2003 -- version 1.10
On the page hotspots.html, a link was added to http://www.mantleplumes.org for further reading on the topic.
January 20, 2007 -- version 1.11
On the page tectonics.html, the wording was amended to reflect that Northridge is a community within Los Angeles.
March 27, 2007 -- version 1.12
On the page historical.html, Jurassic was changed from "135 million years ago" to "150 million years ago" in the figure showing the supercontinent Pangaea.
"This Dynamic Earth"

URL: http://pubs.usgs.gov/gip/dynamic/revision.html
Last updated: 03.27.07
Contact: jmwatson@usgs.gov