Image: Generalized Soils Map of Door County, Wisconsin published 1956

Description: Full page tourism advertisement for Washington Island, Wisconsin, 1956
Title: Generalized Soils Map of Door County, Wisconsin published 1956
Credit: https://babel.hathitrust.org/cgi/pt?id=wu.89094237591&view=1up&seq=33&skin=2021&size=200 from Wisconsin rural resources Wisconsin State Department of Agriculture Crop and Livestock Reporting Service ; U.S. Department of Agriculture, Agricultural Marketing Service ; University of Wisconsin Agricultural Extension Service version: Door; page 31, footnote reads, "The new generalized soils map was prepared by Professor Francis D . Hole , Wisconsin Geological and Natural History Survey, Madison . Assistant Professor Marvin T . Beatty , College of Agriculture , assisted in the preparation of general soils material"
Author: Francis D . Hole prepared the map
Permission: This work is in the public domain in the United States because it was published in the United States between 1927 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