Public domain
Nannie Emrick farm near Aledo, Illinois, showing how tree roots cling to soil in gully erosion
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
Credit lineNannie Emrick farm near Aledo, Illinois, showing how tree roots cling to soil in gully erosion. 1937-01-01. Lee, Russell. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.
