DRG : Digital Raster Graphic Data / U.S. Geological Survey.
| Other author/creator | Geological Survey (U.S.) |
| Format | Software, Map, and Electronic |
| Edition | Ed. 1. |
| Publication Info | [Reston, Va.] : [The Survey], [1996-] |
| Description | computer laser optical discs ; 4 3/4 in. |
| Subject(s) |
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| Portion of title | Digital Raster Graphic Data |
| Cartographic data | Scale differ. |
| Abstract | "Digital Raster Graphic (DRG) images of USGS standard series quadrangles cover systematically subdivided areas of latitude with formats ranging from 7.5- by 7.5-minutes to 1- by 2-degrees. DRG's of standard quadrangles range in scale from 1:20,000 to 1:250,000. DRG's coverages include the conterminous United States, Alaska, Hawaii, Puerto Rico and the Virgin Islands"--DRGP̲KG. TXT file. |
| General note | Title from disc label. |
| General note | "Mastered 1/96-<7/96> |
| General note | Text files in ASCII format. |
| General note | "TIFF PackBits compressed." |
| General note | Each CD-ROM includes the USGS topographic maps for a 1-degree cell. |
| Technical details | System requirements: IBM compatible PC with 80386 or higher; Microsoft Windows 3.1; Microsoft compatible pointing device (mouse); 16 MB of hard drive space; 4 MB of RAM (8 MB recommended); CD-ROM reader. |
| Technical details | Disk characteristics: CD-ROM. |
| Govt. docs number | I 19.128: |
Available Items
| Library | Location | Call Number | Status | Item Actions | |
| Joyner | Fed Docs CD-ROMs | I 19.128: 29080/29081 | ✔ Available | ||
| Joyner | Fed Docs CD-ROMs | I 19.128: 29082 | ✔ Available | ||
| Joyner | Fed Docs CD-ROMs | I 19.128: 30081 | ✔ Available | ||
| Joyner | Fed Docs CD-ROMs | I 19.128: 30084 | ✔ Available | ||
| Joyner | Fed Docs CD-ROMs | I 19.128: 30087 | ✔ Available | ||
| Joyner | Fed Docs CD-ROMs | I 19.128: 30089 | ✔ Available | ||
| Joyner | Fed Docs CD-ROMs | I 19.128: 34083 | ✔ Available | ||
| Joyner | Fed Docs CD-ROMs | I 19.128: 34084 | ✔ Available | ||
| Joyner | Fed Docs CD-ROMs | I 19.128: 34085 | ✔ Available | ||
| Joyner | Fed Docs CD-ROMs | I 19.128: 36082 | ✔ Available | ||
| Joyner | Fed Docs CD-ROMs | I 19.128: 36083 | ✔ Available | ||
| Joyner | Fed Docs CD-ROMs | I 19.128: 36084 | ✔ Available | ||
| Joyner | Fed Docs CD-ROMs | I 19.128: 36086 | ✔ Available | ||
| Joyner | Fed Docs CD-ROMs | I 19.128: 36087 | ✔ Available | ||
| Joyner | Fed Docs CD-ROMs | I 19.128: 36088 | ✔ Available | ||
| Joyner | Fed Docs CD-ROMs | I 19.128: 37801 | ✔ Available | ||
| Joyner | Fed Docs CD-ROMs | I 19.128: 37802 | ✔ Available | ||
| Joyner | Fed Docs CD-ROMs | I 19.128: 38078 | ✔ Available | ||
| Joyner | Fed Docs CD-ROMs | I 19.128: 39077 | ✔ Available | ||
| Joyner | Fed Docs CD-ROMs | I 19.128: 39078 | ✔ Available |