[Parameters: Topic='HUMAN DIMENSIONS', Term='LAND USE/LAND COVER']
Digital Line Graphs (DLG) from 1:2,000,000-Scale Maps from the U.S. Geological Survey
Entry ID: 2MIL

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Summary
Abstract: The DLG data files derived from the 1:2,000,000-scale maps contain selected
base categories of cartographic data in digital form. The data files are
derived from the sectional maps of the 1970 National Atlas of the United
States of America. The Boundaries category includes boundary information
collected in wo separate subcategories: (1) Political Boundaries and (2)
Administrative ... View entire text
Related URL
Link: GET DATA
Description: This is the location from which the 1:2,000,000-scale digital
line graph data may be downloaded by state (conterminous US and
Hawaii).

Link: VIEW RELATED INFORMATION
Description: This is the location of Graphic Map. Graphic Map is an online interactive map
of the conterminous United States and Hawaii, which allows the user to click
on a state and connect directly to the ftp site holding the 1:2,000,000-scale
digital line graph data for that state.
Multimedia Sample
Small multimedia sample image
View full image
Caption:  Boundaries, hydrography, and roads
Description:  An example of 1:2,000,000-Scale DLG data of the Illinois and
Missouri States.

 
Geographic Coverage
(Click for Interactive Map)
Spatial coordinates   
  N: 50.0   S: 25.0   E: -66.0   W: -125.0

Data Set Citation
Dataset Originator/Creator: U.S. Geological Survey
Dataset Title: 1:2,000,000-scale Digital Line Graphs
Dataset Release Date: 1980
Dataset Release Place: Reston, Virginia
Dataset Publisher: U.S. Geological Survey
Online Resource: http://edc.usgs.gov/geodata/
Location Keywords
Science Keywords
ISO Topic Category
Platform
AIRCRAFT Ancillary Description
GROUND STATIONS Ancillary Description
Use Constraints There is no guarantee of warranty concerning the accuracy of these data. Users should be aware that temporal changes may have occurred since the data was collected and that some parts of these data may no longer represent actual surface conditions. Users should not use these data for critical applications without a full awareness of their limitations. Acknowledgement of the originating agencies would be appreciated in products derived from these data. Any user who modifies the data set is obligated to describe the types of modifications they perform. User specifically agrees not to misrepresent the data set, nor to imply that changes made were approved or endorsed by the U.S. Geological Survey. Please refer to http://www.usgs.gov/privacy.html for the USGS disclaimer.
Ancillary Keywords
Originating Center
USGS/NMD/RESTON
Data Center
Earth Resources Observation and Science Center, U.S. Geological Survey, U.S. Department of the Interior Supplemental Info
Data Center URL: http://eros.usgs.gov/
Dataset ID: 1:2,000,000 Digital Line Graphs (DLG)

Data Center Personnel
Name: EROS CENTER
Phone: 605-594-6151
Phone: 800-252-4547
Fax: 605-594-6589
Email: lta at usgs.gov
Contact Address:
LTA Customer Services
U.S. Geological Survey
EROS Center
47914 252nd Street
City: Sioux Falls
Province or State: SD
Postal Code: 57198-0001
Country: USA
Distribution
Distribution Media: Online FTP
Distribution Format: SDTS
Fees: None

Distribution Media: CD-ROM
Fees: $32.00 (USD) plus $5.00 handling fee
Personnel
SDTS TASK FORCE
Role: TECHNICAL CONTACT
Phone: (573) 308-3561
Fax: (573) 308-3652
Email: sdts at usgs.gov
Contact Address:
U.S. Geological Survey
1400 Independence Road
City: Rolla
Province or State: MO
Postal Code: 65401
Country: USA
Publications/References
U.S. Geological Survey (1993-2001), Standards for Digital Line Graphs (6 parts), Branch of Technical Management, MS 510, Reston, VA.

U.S. Geological Survey. (1987), Digital Line Graphs from 1:2,000,000-scale maps, Data User's Guide, 3
Creation and Review Dates
Last DIF Revision Date: 2011-04-07

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