Schruben, Paul G. <br/><br/>
Geology of the conterminous United States at 1:2,500,000 scale  a digital representation of the 1974 P.B. King and H.M. Beikman map  [computer file] 
by Paul G. Schruben, Raymond E. Arndt, and Walter J. Bawiec ; display software by Russell A. Ambroziak. 
, Computer data and program. 
 - Reston, VA  U.S. Geological Survey  1994. 
 - 1 computer laser optical disc  4 3/4 in. 
 - U.S. Geological Survey digital data series  DDS-11 .
<br/><br/> Title from title screen.  Title on spine of jewel case: Geology of conterminous U.S. at 1:2,500,000.  Disk Characteristics: CD-ROM 
<br/><br/> A menu-driven digital version of King and Beikman's 1974 map, with a searchable copy of the text and figures from their Professional Paper 901 describing the map's historical background and limitations. Data provided in the U.S. Geological Survey Mapper for DOS, ARC/INFO version 6.1.1 Export, Digital Line Graph (DLG) Optional, Map Overlay Statistical System (MOSS), and Drawing Exchange File (DXF) formats. 
<br/><br/><br/>System requirements: IBM-compatible PC with math coprocessor; 640K RAM; MS-DOS or PC-DOS 5.0 or higher; VGA color monitor; SVGA graphics card; hard disk with 5MB free space; ISO 9660-compatible CD-ROM drive with Microsoft MSCDEX 2.1 or later; mouse. 
<br/><br/><label>LCCN: </label>93027611  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology--Maps--Databases.--United States<br/>CD-ROM Fed. Doc.
<br/><br/><label>LC Class. No.: </label>G3701.C5 
<br/><br/><label>GPO Item No.: </label>0621-K 
<br/><br/><label>Gov. Doc. Class. No.: </label>I 19.121:11