Description: Severe soil erosion in a wheat field near Washington State University

Source: http://www.ars.usda.gov/is/graphics/photos/k5951-1.htm

Date: Unknown

Author: Jack Dykinga

License: public domain

This image was released by the Agricultural Research Service , the research agency of the United States Department of Agriculture , with the ID k5951-1 (next) . This tag does not indicate the copyright status of the attached work. A normal copyright tag is still required. See Commons:Licensing . العربية | English | français | македонски | +/−

This image is in the public domain because it contains materials that originally came from the Agricultural Research Service , the research agency of the United States Department of Agriculture . العربية ∙ dansk ∙ Deutsch ∙ English ∙ español ∙ فارسی ∙ français ∙ italiano ∙ 日本語 ∙ македонски ∙ മലയാളം ∙ Nederlands ∙ português ∙ sicilianu ∙ Türkçe ∙ Tiếng Việt ∙ 中文 ∙ +/−