D. R. D. Walle

Laboratory investigation of leachate chemistry from six Appalachian forest floor types subjected to simulated acid rain

J. D. Helvey, J. Kochenderfer, D. R. D. Walle, 1985 .

Causes of Acidification of Four Streams on Laurel Hill in Southwestern Pennsylvania

R. Dinicola, W. Sharpe, W. G. Kimmel, 1984 .

WATER RESOURCES APPLICATIONS OF STREAM CHANNEL CHARACTERISTICS ON SMALL FORESTED BASINS1

A. Rango, D. R. D. Walle, 1972 .