This image is in the public domain, as it was originally published before 1978 without a copyright notice in the 1949 University of Maryland yearbook, The Terrapin. No copyright notice appears within this publication. See also: w:Wikipedia:Public domain#Published works.
Moreover, the work in which it appeared was released by the original copyright holder, the University of Maryland, to the Internet Archive for re-publishing with the notice of "NOT IN COPYRIGHT" (see here).
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.
{{Information |Description = Aerial photograph of the University of Maryland campus |Source = [http://www.archive.org/stream/terrapinyearbook1949univ#page/n13/mode/2up 1949 ''The Terrapin'' University of Maryland year book, page 175] |Da