Soil density and moisture content on two unused forest roads during first 30 months after construction
By: J.D. Helvey, J.N. Kochenderfer
Contributors: Kochenderfer, J. N; Northeastern Forest Experiment Station (Radnor, Pa.)
Series: Research paper NE -- 629
Publisher: U.S. Dept. of Agriculture, Forest Service, Northeastern Forest Experiment Station
Published: 1989
Place of publication: Radnor, PA (100 Matsonford Rd., Radnor 19067)
Language: eng
Subjects: Forest roads -- Appalachian Mountains; Forest roads -- Appalachian Mountains -- Design and construction
Notes: Distributed to depository libraries in microfiche

"January 1990"--T.p. verso

Includes bibliographical references (p. 6)