1. Editor's note

   EditorialNotes Pages: 219 - 220

2. Treatment of earthquake ground motion using regionalized variables

   • James R. Carr
   • Charles E. Glass

   OriginalPaper Pages: 221 - 241

3. Recognition of mineralized belts and lithologic patterns in the Silver City-South Mountain region, Idaho, in terms of geochemical reconnaissance data

   • Yuwei Li

   OriginalPaper Pages: 243 - 265

4. A model for the statistical distribution of microlithotypes in coal

   • Murray A. Cameron
   • John W. Hunt

   OriginalPaper Pages: 267 - 285

5. Error bounds in cascading regressions

   • Michael R. Karlinger
   • Brent M. Troutman

   OriginalPaper Pages: 287 - 295

6. A model of regional fluid flow: Sand concentration factors and effective lateral and vertical permeabilities

   • W. H. Glezen
   • I. Lerche

   OriginalPaper Pages: 297 - 315

7. Univariate and multivariate stochastic modeling of the chemical composition of iron ores in Northern Goa, India

   • B. K. Sahu
   • P. S. Raiker

   OriginalPaper Pages: 317 - 325

8. Likely change of the average grade of a deposit after new drilling

   • Michel David
   • Didier Crozel

   OriginalPaper Pages: 327 - 331