File:Farmers of forty centuries - Field covered with piles of canal mud.jpg

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English: China: Section of field covered with piles of canal mud recently applied at the rate of more than 70 tons per acre; taken out of the canal up the three flights of earth steps shown in the lower part of the figure.
Date published 1911
Source F. H. King, Farmers of forty centuries, 1911, p. 171.
Author Unknown photographerUnknown photographer
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This work is in the public domain in the United States because it was published (or registered with the U.S. Copyright Office) before January 1, 1929.

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Note: This tag should not be used for sound recordings.PD-1923Public domain in the United States//commons.wikimedia.org/wiki/File:Farmers_of_forty_centuries_-_Field_covered_with_piles_of_canal_mud.jpg

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current20:02, 3 October 2019Thumbnail for version as of 20:02, 3 October 20191,475 × 1,556 (576 KB)Bob Burkhardt (talk | contribs){{Information |description ={{en|1=China: Section of field covered with piles of canal mud recently applied at the rate of more than 70 tons per acre; taken out of the canal up the three flights of earth steps shown in the lower part of the figure.}} |date =published 1911 |source =F. H. King, ''Farmers of forty centuries'', 1911, p. 171. |author ={{Unknown|Photographer}} |permission ={{PD-1923}} }} 171 [[Category:Agr...

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