National parks air tour fees
Subtitle: effective verification and enforcement are needed to improve compliance : report to congressional requesters
By: United States Government Accountability Office
Publisher: Govt. Accountability Office
Published: 2006
Place of publication: Washington, D.C
Language: eng
Number of pages: 37
Subjects: Evaluation; National parks and reserves; Fees; User charges; Government policy; Sightseeing business; United States. National Park Service; United States; United States. Federal Aviation Administration
Notes: Cover title.

"May 2006."

"GAO-06-468"

Includes bibliographical references.