1:100,000-scale digital line graph (DLG) data  hydrography and transportation  US Geodata.  [ computer file] 

 - Standard Format. March 1993. 
 - Reston, VA  [Denver, Colo.  U.S. Dept. of the Interior, U.S. Geological Survey  Branch of Distribution]  1991- 
 - computer laser optical disks  col.  4 3/4 in. 
<br/><br/> Title from disk label.  Title on container and with text: 1:100,000-scale digital line graph (DLG) data, hydrography and transportation.  "US GeoData"--Disk label.  Disks for areas prepared prior to April 1993 issued by Earth Science Information Office.  "National Mapping Division" on disks prepared from April 1993 forward.  Shipping list no.: 91-0060-E (area 4); 93-0018-E (area 2,14); 93-0030-E (areas 3,13).  "March 1991"--Area 4 disk label; "January 1993"--Area 3 disk label; "February 1993"--Area 13 disk label; "March 1993"--Area 2 disk label; "April 1993"--Area 14 disk label.  Disk characteristics: CD ROM.  ISO 9660 format.  Cartographic information complete on 14 computer disks. 
<br/><br/>area 2. Middle Atlantic states -- area 3. Southeastern states --area 4. Florida -- area 13. Northwestern states -- area 14. Hawaiian Islands. 
<br/><br/> Contains digital line graph hydrography and transportation data in color for the conterminous United States and Hawaii. 
<br/><br/><br/>System requirements: IBM PC/XT or other compatible computer; 640KB RAM; MS-DOS version 3.1 or later; Microsoft MSCDEX version 2.0 or later; EGA display card; CD-ROM drive. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Hydrography--Data bases.--United States<br/>CD-ROM Fed. Doc.<br/>Transportation--Data bases.--United States
<br/><br/><label>GPO Item No.: </label>0621-J 
<br/><br/><label>Gov. Doc. Class. No.: </label>I 19.120:D 56/AREA (NOS.)