Parkwide road improvement plan
Subtitle: environmental assessment : Yellowstone National Park, Wyoming/Montana/Idaho : draft.
Contributors: United States. National Park Service.
Publisher: National Park Service
Published: 1992
Place of publication: [Washington, D.C.?
Language: eng
Number of pages: 124
Subjects: Roads -- Yellowstone National Park -- Safety measures -- Evaluation.; Highway planning -- Yellowstone National Park.; Yellowstone National Park.
Other titles: Yellowstone National Park, Wyoming/Montana/Idaho.
Notes: Shipping list no.: 92-221-P.

"February 1992."

"NPS D-494"-P. [3] of cover.

Includes bibliographical references (p. 119-122).