Image: Stubbs Earthworks aerial view

Description: Aerial view of the Stubbs Earthworks, also known as the "Warren County Serpent Mound", which was formerly located on the southern side of the Little Miami River near Morrow in Washington Township, Warren County, Ohio, United States. Built by the prehistoric Hopewell culture, it is listed on the National Register of Historic Places, although most of the site has been destroyed by quarrying.
Title: Stubbs Earthworks aerial view
Credit: Photograph by uploader of page 22 from the Ohio Archaeologist Supplement of September 1954
Author: Unknown authorUnknown author
Permission: This work is in the public domain in the United States because it was published in the United States between 1926 and 1977, inclusive, without a copyright notice. For further explanation, see Commons:Hirtle chart as well as a detailed definition of "publication" for public art. Note that it may still be copyrighted in jurisdictions that do not apply the rule of the shorter term for US works (depending on the date of the author's death), such as Canada (50 p.m.a.), Mainland China (50 p.m.a., not Hong Kong or Macao), Germany (70 p.m.a.), Mexico (100 p.m.a.), Switzerland (70 p.m.a.), and other countries with individual treaties.
Usage Terms: Public domain
License: Public domain
Attribution Required?: No