<B>Contents:</B> <I>D.W. Johnson, S.E. Lindberg</I>: Acidic Deposition on Walker Branch Watershed
<I>E. Matzner</I>: Acidic Precipitation: Case Study Solling
<I>A.H. Johnson, T.G. Siccama, W.L. </I> <I>Silver, J.J. Battles:</I> Decline of Red Spruce in High-Elevation Forests of New York and New England
<I>C.S. </I> <I>Cronan, R.A. Goldstein</I>: ALBIOS: A Comparison of Aluminum Biogeochemistry in Forested Watersheds Exposed to Acidic Deposition
<I>G. Abrahamsen, H.M. Seip, A. Semb</I>: Long-Term Acid Precipitation Studies in Norway
<I>J.T. Turk</I>, <I>N.E. </I> <I>Spahr</I>: Chemistry of Rocky Mountain Lakes
<I>N. van Breemen, </I> <I>P.M.A. Boderie, H.W.G. Booltink</I>: Influence of Airborne Ammonium Sulfate on Soils of an Oak Woodland Ecosystem in the Netherlands: Seasonal Dynamics of Solute Fluxes
<I>F.T. </I> <I>Last</I>: Acidic Deposition Case Study Scotland
<I>M. Hauhs</I>: Lange Bramke: An Ecosystem Study of a Forested Catchment
Index.