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1. DCW Roads, Lines

Datasets Harvard University Public content
1992. National Imagery and Mapping Agency (now National Geospatial-Intelligence Agency). This datalayer is a polyline coverage representing road features found throughout DCW (Digital Chart of the World) geographic coverage as of 1992. ... National Imagery and Mapping Agency.

2. DCW Transportation Structures, Lines

Datasets Harvard University Public content
1992. National Imagery and Mapping Agency (now National Geospatial-Intelligence Agency). This datalayer is a polyline coverage representing various transportation structure features found throughout DCW (Digital Chart of the World) geog... National Imagery and Mapping Agency.

3. DCW Transportation Structures, Points

Datasets Harvard University Public content
1992. National Imagery and Mapping Agency (now National Geospatial-Intelligence Agency). This datalayer is a point coverage representing various transportation structure features found throughout DCW (Digital Chart of the World) geograp... National Imagery and Mapping Agency.

4. ESRI Data & Maps 2003 : U.S. National Transportation Atlas Highways

Datasets Harvard University Restricted content
2002. United States. Bureau of Transportation Statistics and Environmental Systems Research Institute (Redlands, Calif.). U.S. National Transportation Atlas Highways represents rural interstates and arteries; and urban freeways, expressways, interstates, and arteries. ... ESRI.

5. Global GIS : Roads

Datasets Harvard University Restricted content
1997. United States. National Imagery and Mapping Agency. This datalayer is a polyline coverage representing major roads and trails worldwide and was published as part of the USGS Global GIS : global cover... American Geological Institute.

6. National Highway Network Nodes

Datasets Harvard University Public content
1992. Federal Highway Administration, Office of Intermodal and Statewide Programs (HEPS-20). The National Highway Planning Network is a comprehensive network database of the nation's major highway system. It consists of over 400,000 miles o... Bureau of Transportation Statistics.

7. National Highway Network Nodes

Datasets Harvard University Public content
1992. Federal Highway Administration, Office of Intermodal and Statewide Programs (HEPS-20). The National Highway Planning Network is a comprehensive network database of the nation's major highway system. It consists of over 400,000 miles o... Bureau of Transportation Statistics.

8. VMap1 Rest Stops, Points

Datasets Harvard University Public content
1995. National Geospatial-Intelligence Agency. This datalayer is a point coverage representing vehicle parking and rest areas adjacent to major transportation routes located throughout current V...

9. VMap1 Road and Railroad Sheds, Lines

Datasets Harvard University Public content
1995. National Geospatial-Intelligence Agency. This datalayer is a polyline coverage representing snow and rock shelters (sheds) located throughout current VMap1 geographic coverage areas. Featu...

10. VMap1 Roads, Lines

Datasets Harvard University Public content
1995. National Geospatial-Intelligence Agency. This datalayer is a polyline coverage representing roads and roadways located throughout current VMap1 geographic coverage areas. Features in this ...