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U.S. Geological Survey DLG-3 and Bureau of the Census TIGER data. Development and GIS applications

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Abstract

The U.S. Geological Survey has been actively developing digital cartographic and geographic data and standards since the early 1970's. One product is Digital Line Graph data, which offer a consistently accurate source of base category geographic information. The Bureau of the Census has combined their Dual Independent Map Encoding data with the Geological Survey's 1:100,000-scale Digital Line Graph data to prepare for the 1990 decennial census. The resulting Topologically Integrated Geographic Encoding and Referencing data offer a wealth of information. A major area of research using these data is in transportation analysis. The attributes associated with Digital Line Graphs can be used to determine the average travel times along each segment. Geographic information system functions can then be used to optimize routes through the network and to generate street name lists. Additional aspects of the subject are discussed.

Additional Publication Details

Publication type:
Conference Paper
Publication Subtype:
Conference Paper
Title:
U.S. Geological Survey DLG-3 and Bureau of the Census TIGER data. Development and GIS applications
ISBN:
0872627578
Year Published:
1990
Language:
English
Publisher:
Publ by ASCE
Publisher location:
New York, NY, United States
First page:
704
Last page:
710
Number of Pages:
7
Conference Title:
Microcomputer Applications in Transportation III
Conference Location:
San Francisco, CA, USA
Conference Date:
21 June 1989 through 23 June 1989