SUBCOMMITTEE ON NATIONAL PARKS AND PUBLIC LANDS
1334 Longworth House Office Building
Thursday, September 24, 1998
10:00 a.m.

• Official hearing hearing transcript

OVERSIGHT HEARING ON:

• "Analysis of National Park Service data on air overflight sound at the Grand Canyon National Park, and the Grand Canyon River Wilderness Management Plan and Associated Colorado River Management Plan"

WITNESSES AND TESTIMONY:

Panel I

The Honorable Bob Stump, AZ
U.S. Member of Congress

Robert Arnberger
Superintendent
Grand Canyon National Park

Elling B. Halvorson
President
Papillon Airways, Inc.

Robin T. Harrison, P.E.
Consultant

John R. Alberti, Jr.
Engineering

K. K. Ahuja
Professor and Regents Researcher
Georgia Institute of Technology

Panel II

Robert Arnberger
Superintendent
Grand Canyon National Park

Robert S. Lynch
Chairman of the Board
Central Arizona Project Association

Mark Grisham
Executive Director
Grand Canyon River Outfitters Association

Brian I. Merrill
Chief of Operations
Western Rivers Expeditions

William C. Reffalt
The Wilderness Society and
The Grand Canyon Trust