1. Directions

   • Lawrence J. Drew

   EditorialNotes Pages: 109 - 111

2. Developing a geographic expert system for regional mapping of volcanogenic massive sulfide (VMS) deposit potential

   • R. K. T. Reddy
   • G. F. Bonham-Carter
   • A. G. Galley

   Articles Pages: 112 - 124

3. Computer Monte Carlo simulation in quantitative resource estimation

   • David H. Root
   • W. David Menzie
   • William A. Scott

   Articles Pages: 125 - 138

4. One-level prediction—A numerical method for estimating undiscovered metal endowment

   • R. B. McCammon
   • J. O. Kork

   Articles Pages: 139 - 147

5. Statistical sampling of the distribution of uranium deposits using geologic/geographic clusters

   • W. I. Finch
   • W. D. Grundy
   • C. T. Pierson

   Articles Pages: 148 - 152

6. Probabilistic methodology for estimation of undiscovered petroleum resources in play analysis of the United States

   • Robert A. Crovelli

   Articles Pages: 153 - 162

7. Quantitative assessment of future development of cooper/silver resources in the Kootenai National Forest, Idaho/Montana: Part I—Estimation of the copper and silver endowments

   • Gregory T. Spanski

   Articles Pages: 163 - 183

8. Book review

   • Bruce F. Molnia

   BookReview Pages: 184 - 185