Franklin

1:2,000,000-scale digital line graph data [electronic resource] / U.S. Geological Survey.

Author/Creator:
Geological Survey (U.S.)
Other Title:
One-to-two-million-scale digital line graph data
Digital line graph data
DLG 1:2,000,000-scale digital line graph data
US GeoData
Publication:
[Reston, Va.] : U.S. Dept. of the Interior, U.S. Geological Survey, 1995.
Format/Description:
Government document
Datafile
1 computer laser optical disc ; 4 3/4 in.
Subjects:
Map scales -- Databases.
United States -- Maps, Topographic -- Databases.
Digital mapping -- Standards -- Databases.
System Details:
System requirements: IBM PC-XT or compatible computer; MS-DOS 3.1 or later; 640K memory; EGA monitor and display card; CD-ROM reader using the Microsoft Extensions, Version 2.0 or later.
Summary:
Contains 1:2,000,000-scale digital line graph (DLG) data for the 48 conterminous states, Hawaii, and the District of Columbia from the U.S. Geological Survey (USGS). DLG data are digital representations of cartographic information. DLG's of map features are converted to digital form from maps and related sources. For each state, six or seven categories of DLG data are available.
Notes:
Title from disc label.
At head of title: DLG.
"US GeoData"--Disc label.
"Mastered: 7/95".
"Optional format."
ISO 9660 format.
OCLC:
64086560
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