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More info on the work of Henshaw can be found in the article " Could George H. Henshaw's have saved New Orleans from the catastrophe that was Katrina?" on opednews.com by Peter Duveen, September 21, 2010. -- Mdd ( talk) 20:31, 30 January 2014 (UTC) reply

OpEdNews, unfortunately, is not a reliable source for information. Thargor Orlando ( talk) 20:42, 30 January 2014 (UTC) reply

That's indeed unfortunate, but understandable. The author itself is cited sometimes in scientific articles (see here). -- Mdd ( talk) 20:52, 30 January 2014 (UTC) reply

Some further research revealed the origin of the images used (the article mentions "Museum of Brooklyn Art and Culture" (??):

• Part of the File:1874 U.S. Coast Survey Map of the Mississippi Delta - Geographicus - MissDelta-uscs-1874.jpg, and
• George H. Henshaw et al., "Discussion: Improvement of Sedimentary Rivers," Transactions, New York, American Society of Civil Engineers, May, 1889, p. 116.

Mdd ( talk) 12:50, 31 January 2014 (UTC) reply