Image: Ervin Dupper

Description: SD Sen Ervin Dupper
Title: Ervin Dupper
Credit: 1965 South Dakota legislative manual [1]
Author: Unknown author
Permission: This work is in the public domain in the United States because it was published in the United States between 1925 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