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Start Over Subject Bridges Place North America Bounding Box -40.000931 39.999015 -39.999064 40.000987

1. 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.

2. 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.

3. VMap1 Bridges, Lines

Datasets Harvard University Public content
1995. National Geospatial-Intelligence Agency. This datalayer is a polyline coverage representing bridges, overpasses or viaducts located throughout current Vmap geographic coverage areas. Objec...

4. VMap1 Bridges, Points

Datasets Harvard University Public content
1995. National Geospatial-Intelligence Agency. This datalayer is a point coverage representing Bridges, Overpasses or Viaducts located throughout current Vmap geographic coverage areas. Objects ...