TO: All COGSNET users. NEW HANDBOOK OF PUBLIC DOMAIN SOFTWARE is available from Gibbs Associates. The new publication is titled "Public Domain Software For Earth Scientists" and was compiled by Betty Gibbs and Steve Krajewski. The publication is a comprehensive summary of PC software programs available from government agencies, universities, and individuals, as well as the most popular inexpensive commercial programs. The handbook is divided into over 30 categories, including: economic evaluation, environmental sciences, geology, mapping, geochemistry, coal, geophysics, statistics, mining, surveying, hydrology, earth science bulletin boards, and GIS. Included is an extensive listing of software from government agencies in the U.S. and Canada. It will be a time saver for anyone interested in researching the most inexpensive programs available for earth science applications. The programs can be ordered from the respective supplier or directly from Gibbs Associates. A new revision of the Directory of Mining Programs is also available. The latest revision includes summaries of over 800 mining application programs for all sizes of computers. The Public Domain Software handbook can be ordered for $25US ($35US outside North America). The cost of the Directory of Mining Programs is $75US ($90US outside North America). For more information or to order, Contact Gibbs Associates, P.O. Box 706, Boulder, CO 80306-0706. 303-444- 6032. FAX: 303-449-8870.