Stratigraphic nomenclature databases for the United States, its possessions and territories  computer file 
by U.S. Department of the Interior, U.S. Geological Survey ; M.E. MacLachlan ... [et al.]. 
 - Denver, CO  The Survey  For sale by the Books and Open-File Reports Section]  1992. 
 - 1 computer laser optical disk  col.  4 3/4 in. 
 - U.S. Geological Survey digital data series  DDS-6 .
<br/><br/> Title from title screen.  Disk characteristics: CD-ROM.  Shipping list no.: 92-0012-E.  Not copy-protected. 
<br/><br/> A computerized lexicon of geologic- and stratigraphic unit names used in the United States, its possessions and territories. It may be sorted by geographic name, stratigraphic rank, age, geologic province or region, state, author, or specified keywords. 
<br/><br/><br/>System requirements: IBM or compatible computer; 640 Kb RAM; MS- or PC-DOS version 4.01 or later; Microsoft MSCDEX version 2.1 or later; CD-ROM drive with ISO 9660 software driver; hard disk drive; EGA/VGA color system. 
<br/><br/><label>LCCN: </label>91014838  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology--Nomenclature--Data bases.--United States<br/>CD-ROM Fed. Doc.<br/>Geology, Stratigraphic--Nomenclature--Data bases.--United States
<br/><br/><label>GPO Item No.: </label>621-K 
<br/><br/><label>Gov. Doc. Class. No.: </label>I 19.121:6