English: Maurice Robert "Mike" Gravel (born 1930) during his first term in the United States Senate. He is standing in front of an airplane, but any further context is unclear.
Date
Source
Alaska Blue Book (First edition), Alaska Department of Education, Division of State Libraries (1973).
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.