DescriptionThe Federal Industrial Hygiene Agency.pdf
English: "The Federal Industrial Hygiene Agency: A History of the Division of Occupational Health, United States Public Health Service", Prepared by Henry N. Doyle, Sanitary Engineer Director, Retired
Date
circa 1977
date QS:P,+1977-00-00T00:00:00Z/9,P1480,Q5727902
Source
Self-scanned
Author
Henry N. Doyle
This file has multiple extracted images:
Licensing
Public domainPublic domainfalsefalse
This work is in the public domain in the United States because it was published in the United States between 1929 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.