MARCH-APRIL 1997 VOLUME 52, NUMBER 2

FEATURES 83

90

96

Using geographic information systems for watershed classification and rating in developing countries Ted C. Sheng, Robert E. Barren, and Thomas R. Mitchell

The role of severe storms in soil erosion: A problem needing consideration WE. Larson, M.J. Lindtrom, and II;E Schumacher

WEPP-Predicting water erosion using a process- based model J. M. Lafen, WJ. Elliot, D. C. Fhnagan, C. R Meyq andM. A. Nearing

COMMEWTARV 103 Watershed management for water quality protection:

Are GIs and simulation models THE answer? Stephen B. Louejoy

RESEARCH

112

118

126

131

137

Comparison of a geographical information system versus manual techniques for land cover analysis in a riparian restoration project Richard R. Harris, Peter Hopkinson, Sarah McCafiey, and Lynn Huntsinger

The impact of acid forming materials (AFM) on plant growth on reclaimed minesoil L.R. Hossner, H. Sbabandeh, andJ.A. Birkhead

Horizontal soil sampling to assess the vertical movement of agrichemicals R.L. k h o e f l WL. Powers, I?’ Sbea, D.B. Marx, and G.A. Wieman

Water storage efficiency in no-till dryland cropping systems E.A. McGee, G.A. Peterson, and D. G. Wesfall

Leaching and runoff of simazine, 2,4-d, and bromide from nursery plots G. Kim Stearman, Martha J . M. Welh, and Reed W Cripps

DmmrMBNT8 82 SWCSview 83 Editorial 104 Product news 108 Books 111 Upcoming

Cover Cover photo by Lynn Betts, NRCS

M A R C H - A P R I L 1 9 9 7 81

Copyright ©

1997 Soil and Water C

onservation Society. All rights reserved.

w

ww

.swcs.org

52(2):82-144 Journal of Soil and W

ater Conservation