Accelerated roadbuilding on the North Umpqua
Subtitle: an economic analysis
By: Brian R. Payne.
Series: USDA Forest Service research paper PNW -- 137.
Publisher: Pacific Northwest Forest and Range Experiment Station, U.S. Dept. of Agriculture
Published: 1972
Place of publication: Portland, Or
Language: eng
Number of pages: 32
Subjects: Forest roads -- Oregon -- Umpqua National Forest.
Notes: Cover title.

Bibliography: p. 18-20.