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resource center
resource center
Title:
1:2,000,000 Digital Line Graph (DLG) Data
Source:
U. S. Geologic Survey
USGS Book and Report Sales
Box 25425
Denver, CO 80225
Description:
Digital line map information for all 50 States, organized into
21 geographic regions.
It includes political boundaries, administrative boundaries,
streams, water bodies, hypsography, roads and trails,
railroads, and cultural features.
Derived from circa 1979 1:2,000,000-scale maps of the "National
Atlas of the United States of America".
Documentation
A 1:2,000,000 DLG Data Users Guide is available.
The CD-ROM also contains
this documentation. DOS software to select and display the
data on a EGA or VGA monitor is included on the CD-ROM.
Distribution:
(1) CD-ROM (USGS Digital Data Series DDS-4) |
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