General management plan : Crater Lake National Park, Oregon
By: United States Department of the Interior, National Park Service.
Series: NPS -- 1270.; NPS publication -- 1270.
Publisher: Denver Service Center
Published: 1978
Place of publication: [Denver
Language: eng
Subjects: Wilderness areas -- Oregon.; Crater Lake National Park (Or.)
Notes: "December 1977"

At head of title: GMP.

Bibliography: p. C1-C4.