Effects of snowmobile use on snowpack chemistry in Yellowstone National Park, 1998
By: by George P. Ingersoll ; prepared in cooperation with the National Park Service.
Contributors: United States. National Park Service.; Geological Survey (U.S.)
Series: Water-resources investigations report ;; 99-4148
Publisher: U.S. Dept. of the Interior, U.S. Geological Survey; Information Services [distributor]
Published: 1999
Place of publication: Denver, Colo
Language: eng
Number of pages: 23
Subjects: Snowmobiling -- Environmental aspects -- Yellowstone National Park.; Snowmobiles -- Motors -- Exhaust gas -- Environmental aspects -- Yellowstone National Park.; Air -- Pollution -- Yellowstone National Park.; Snow -- Yellowstone National Park.
Notes: Includes bibliographical references (p. 22-23).