LIST OF PUBLICATIONS

                              March, 1988


                                                                   List Price:

GEOLOGY  PROGRAMS  FOR MICROCOMPUTERS: A Catalog of Known             $18.50
Geological Software, 6th Edition (to be published in May 1988)

   Contains more than 600 listings of geological programs, grouped
   according to area of application and type of computer. Lists  
   both commercial and public domain software. Gives name of  
   program, brief description, and name, phone number, and 
   address of publisher.
 

GEOTECH PROCEEDINGS
       Proceedings  volumes of the GeoTech conferences  held 
       in Denver, Colorado. Individually priced.

available:
GeoTech '83 Proceedings. Abstracts & illustrations from >25 papers; 
          70 p....................................................... $ 6.50
GeoTech '84 Proceedings. Abstracts & illustrations from >40 papers;   
          108 p...................................................... $ 8.50
          
                               GeoTech '83 & '84 purchased together:  $12.50
 
GeoTech '85 Proceedings. Extended abstracts & illustrations
          from >30 papers; 126 p..................................... $ 8.50
GeoTech '86 Proceedings. Brief papers & extended abstracts with 
          with illustrations from >50 papers; 225 p.................. $18.00
GeoTech '87 Proceedings. Papers & extended abstracts with 
          illustrations from >70 papers; 380 p....................... $21.50


COGS COMPUTER CONTRIBUTIONS                      
       (per copy of back issues; see contents lower 
        on this form.  Details of annual subscription  
        included on APP_ORDR.FRM )................................... $ 6.00

   available:
       Vol. 1, #1    October  1985
       Vol. 2, #1    April    1986
       Vol. 2, #2    August   1986
       Vol. 2, #3    November 1986
       Vol. 3, #1    February 1987
       Vol. 3, #2    October  1987
       Vol. 3, #3    November 1987

COGSletter
       The   monthly   letter  of  the   Computer   Oriented 
       Geological  Society.   Price is  included  in  annual 
       membership.   See  APP_ORDR.FRM  for details.




******* Contents of Past Issues of the COGS Computer Contributions *********

Vol. 1, #1   October, 1985

   R. Mark Maslyn:           The COGS Computer Contributions - A Beginning
   Daniel E. Shier:          A Microcomputer for the Consulting and 
                                  Independent Geologist
   Mel Schulman:             Large Scale Data Management for Basin Evaluation 
                                  - A Case History
   R. Mark  Maslyn:          Case Histories of Computers in Oil Exploration: 
                                 Part 1 - Polynomial Trend Surface Analysis


Vol. 2, #1   April, 1986

   Timothy Dalton:           The True Perspective
   Peter K. Blomquist        Techniques For Computer Modeling
      & Mike  E. Brazie:          Leaking  Underground  Storage Tanks
   Stephen A. Krajewski:     A Microcomputer Primer
   R. Zeke Houk,             Integrated Geologic Mapping,
      R. Mark Maslyn              Modeling, and Exploration Using Grids
      & James P. Reed:  
     Richard G. Burdick:     A Resistivity Data Analysis Program


Vol. 2, #2   August, 1986

   Lynda Kerbs:              GEO-Statistics:  The Variogram
   George W. Heine III:      A Controlled Study of Some Two-Dimensional 
                                  Interpolation Methods
   F. Jay Phillips:          A Review of Graphic Correlation


Vol. 2, #3   November, 1986

   James L. Jehn &           A Comparison of Two Different Computer
      Phillippe L. Martin:        Modeling Approaches As Applied to 
                                  Stream Depletion Determinations
   Walter  E.  Johnson,      Seismic Inversion By Forward Modeling 
      Mark H. Nilsson,            - A Microcomputer Approach
      & Noel B. Waechter: 
   Douglas C. Peters (cmpl): Abstracts For GeoTech '86: Computer-Aided 
                                  Methods in Geology and Engineering


Vol. 3, #1   February, 1987

   Richard R. Socash:        Techniques of Surface Modeling For Preserving 
                                  Topographic Shape
   James R. Lancaster        Computer Processing of Selected Drilling,
      & Asher Atkinson:           Lithologic, and Geophysical Log Data 
                                  Produces Accurate Permeability Values and 
                                  Comprehensive Aquifer Analysis, 
                                  Including Specific Yield


Vol. 3, #2   October, 1987

   James R. Lancaster:       Clarification: Computer Processing of Selected
                                  Drilling, Lithologic, and Geophysical Log 
                                  Data Produces Accurate Permeability Values 
                                  and Comprehensive Aquifer Analysis,  
                                  Including Specific Yield 
   Peter L. Guth:            Designing a Contouring Package: 
                                  The COGSSURF Program
   Douglas C.Peters (cmplr): Abstracts For Denver GeoTech '87: Computer-Aided 
                                   Methods and Modeling in Geology 
                                   and Engineering 
   William Schetter (cmplr)  Abstracts for Houston '87: Computer Applications
                                   in Petroleum Sciences


Vol. 3, #3   November, 1987

   M. E. Hohn,               An Interactive Graphics Program for 
     M. V. Fontana                 Stratigraphic Correlation   
     & K. J. Timberlake
   David Rich                dBase III for Geologists with Examples for
                                   Oil and Gas Exploration
   William A. Turner         Designing a Microcomputer-Based Coal
                                   Exploration Database
   W. A. Charlie,            An APL Function for Modeling P-Wave Induced
     D. O. Doehring,               Porewater Pressure
     & G. E.Veyera