Production and cost analysis of a helicopter thinning operation in the Oregon Coast Range and comparison to HELIPACE production estimates
By: by Robert Gregory Born.
Published: 1995
Language: eng
Number of pages: 73
Subjects: Logging, Aerial -- Costs.; Forest thinning.
Notes: Typescript.

Abstract.

Thesis (M.F.)--Oregon State University, 1995.

Includes bibliographical references (leaves 52-53).