English: Portion of Erwin Raisz's 1941 "Landforms of the Northwestern States" showing the Olympic Peninsula, Puget Sound, and part of southern Vancouver Island. Hand drawn black-and-white map highlighting landform relief such as hills, mountains, and valleys.
Date
Source
Landforms of the Northwestern States. Prepared at the Institute of Geographical Exploration, Harvard University, Cambridge, Mass. by Erwin Raisz 1941. Via David Rumsey Map Collection, list number 7943.008.
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 (70 years p.m.a.), Mainland China (50 years p.m.a., not Hong Kong or Macao), Germany (70 years p.m.a.), Mexico (100 years p.m.a.), Switzerland (70 years p.m.a.), and other countries with individual treaties.