On November 1, 1999, the Illinois State Police Air Operations Bureau will celebrate its 40th year of aerial police support
Publisher: [Illinois State Police]
Published: 1999
Place of publication: Springfield, Ill.]
Language: eng
Subjects: Illinois State Police. Air Operations Bureau; Aeronautics in police work; Illinois State Police
Other titles: Illinois State Police Air Operations Bureau
Notes: Title from first line of text.

"ISP 5-590 (8/99)"--Colophon.