RT Journal Article SR Electronic T1 Microcomputer delivery of soil survey information JF Journal of Soil and Water Conservation FD Soil and Water Conservation Society SP 241 OP 243 VO 39 IS 4 A1 R. L. Cunningham A1 G. W. Petersen A1 C. J. Sacksteder YR 1984 UL http://www.jswconline.org/content/39/4/241.abstract AB