Using helicopter to chemically control big sagebrush and wyethia on the Beaverhead National Forest, 1959
Subtitle: methods and preliminary results
By: report by: D. W. Nelson and V. N. Stokes.
Contributors: Stokes, V. N.; United States. Forest Service. Northern Region.
Edition: Rev. Jan. 1961.
Publisher: U.S.D.A., Forest Service, Region 1
Published: 1961
Place of publication: Missoula, Mont
Language: eng
Number of pages: 19
Subjects: Aerial spraying and dusting in forestry.; Helicopters.