1. A mathematical model of spheroidal weathering

   • R. S. Sarracino
   • G. Prasad
   • M. Hoohlo

   Articles Pages: 269 - 289

2. Conditions for geometric similarity of coarse stream-bed roughness

   • David Jon Furbish

   Articles Pages: 291 - 307

3. Dependence of radon concentration in natural gas on the geological and physical parameters of the gas reservoir

   • Walter Kolb
   • Marcin Wojcik

   Articles Pages: 309 - 317

4. Statistical estimation of the apex of a sediment distribution system from paleocurrent data

   • P. E. Jupp
   • B. D. Spurr
   • J. P. P. Hirst

   Articles Pages: 319 - 333

5. Computing the area of a spherical polygon of arbitrary shape

   • Michael Bevis
   • Greg Cambareri

   Articles Pages: 335 - 346

6. Confidence regions in ternary diagrams 2

   • G. S. Watson

   Letter To The Editor Pages: 347 - 348

7. Comments on “Geostatistics: Models and tools for the earth sciences” by A. G. Journel

   • Jean Serra

   Letter To The Editor Pages: 349 - 355

8. Reply to “comments” by Jean Serra

   • A. G. Journel

   Letter To The Editor Pages: 357 - 359

9. Book review

   • John M. Cubitt
   • Stephen R. Hunt

   BookReview Pages: 361 - 364

10. Tenth William Christian Krumbein Medalist: John Warvelle Harbaugh

    • Daniel F. Merriam

    Association Announcement Pages: 365 - 367