This is the hypertext version of the USIGS Glossary - Revision A, dated 24 November 1998. The paper copy of the USIGS Glossary remains the official version. This hypertext version was developed to make the USIGS Glossary immediately accessible to all who wish to use it in a speedy, nonlinear manner. No substantive changes whatever were made to the paper copy of the NCCB approved USIGS Glossary.
Front Page Preface