Requiring the Secretary of the Interior to conduct a study to determine the appropriate minimum altitude for aircraft flying over national park system units
Subtitle: report (to accompany H.R. 921)
Series: Report / 100th Congress, 1st session, House of Representatives -- 100-69
Publisher: U.S. G.P.O.
Published: 1987
Place of publication: [Washington, D.C.?
Language: eng
Subjects: National parks and reserves -- Law and legislation -- United States; Air traffic rules -- United States; Airplanes -- Noise -- Law and legislation -- United States
Notes: Caption title

Distributed to some depository libraries in microfiche

Shipping list no.: 87-293-P (pt. 1)

"April 28, 1987"--Pt. 1