Balloon logging systems.
By: Prepared for Pacific Northwest Forest and Range Experiment Station, Portland, Oregon, U. S. Dept. of Agriculture, Forest Service.
Contributors: United States Pacific Northwest Forest and Experiment Station
Published: 1964
Place of publication: Akron
Language: eng
Subjects: Lumber -- Transportation.; Balloons.
Notes: Bibliography: v. 1, p. [3] of cover.
Cover title.
"Contract 19-25."
Table of contents: title: phase 1. Analytical study.; title: phase 2. Logistics study.