Environmental assessment
Subtitle: rehabilitate Grand Loop Road, Biscuit Basin to West Thumb and the Lake Bypass, Yellowstone National Park : (packages no. 254 & 673)
By: prepared by U.S. Department of the Interior, National Park Service, Denver Service Center.
Contributors: United States. National Park Service. Denver Service Center.
Publisher: The Center
Published: 1987
Place of publication: [Denver, Colo.?]
Language: eng
Number of pages: 38
Subjects: Roads -- Maintenance and repair -- Environmental aspects -- Yellowstone National Park.; Yellowstone National Park -- Environmental aspects.
Other titles: Rehabilitate Grand Loop Road, Biscuit Basin to West Thumb and the Lake Bypass, Yellowstone National Park.; Yellowstone National Park, Wyoming/Montana/Idaho.
Notes: On cover: Yellowstone National Park, Wyoming/Montana/Idaho.

Distributed to depository libraries in microfiche.

"February 1987."

"NPS D-283"--P. 38.

Includes bibliographical references (p. 37-38).