Showing 1 - 2 results of 2 for search 'Helvey, J. D.', query time: 0.01s
Refine Results
-
1
Input-output budgets of selected nutrients on an experimental watershed near Parsons, West Virginia / by Helvey, J. D., Kunkle, S. H.
Published 1986Call Number: Loading…CONNECT
Located: Loading…
Government Document Electronic eBook -
2
Soil density and moisture content on two unused forest roads during first 30 months after construction / by Helvey, J. D., Kochenderfer, J. N.
Published 1989Call Number: Loading…CONNECT
Located: Loading…
Government Document Electronic eBook