Road and landing criteria for mobile-crane yarding systems
By: by J. Doyle Burke.
Series: USDA Forest Service research note PNW -- 186.
Publisher: Pacific Northwest Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture
Published: 1972
Place of publication: Portland, Ore
Language: eng
Number of pages: 13
Subjects: Cranes, derricks, etc.; Logging -- Machinery.; Forest roads.
Notes: Caption title.

"September 1972."

Includes bibliographical references.