A survey of potential ecological natural landmarks of the northern Rocky Mountains
By: Janet L. Johnson, Robert D. Pfister ; prepared for the U.S. Department of Interior, National Park Service.
Contributors: Pfister, Robert D.; United States. National Park Service.; Intermountain Forest and Range Experiment Station (Ogden, Utah); United States. Heritage Conservation and Recreation Service.
Publisher: Intermountain Forest and Range Experiment Station, U.S. Dept. of Agriculture, Forest Service
Published: 1981
Place of publication: Ogden, Utah
Language: eng
Number of pages: 416
Subjects: Nature conservation -- Rocky Mountains.; Natural monuments -- Rocky Mountains.; Ecological surveys -- Rocky Mountains.
Notes: Interagency agreement C-9211 (78) between Heritage Conservation and Recreation Service and the Intermountain Forest and Range Experiment Station.

"July 1981."

Includes indexes.

Bibliography: p. 34-39.