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. 4430)
Series: Rept. / 99th Congress, 2d session, House of Representatives -- 99-725
Publisher: U.S. G.P.O.
Published: 1986
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

"Supplemental report"--Pt. 2

"August 8, 1986"--Pt. 2