1997. United States. National Imagery and Mapping Agency. This datalayer is a point coverage representing airports and airfields worldwide and was published as part of the USGS Global GIS : global coverage... American Geological Institute.
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1997. United States. National Imagery and Mapping Agency. This datalayer is a polyline coverage representing railroads worldwide and was published as part of the USGS Global GIS : global coverage database.... American Geological Institute.
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.
1997. Bureau of Transportation Statistics. U.S. National Transportation Atlas Highways represents rural interstates and arteries; and urban freeways, expressways, interstates, arteries and c... Environmental Systems Research Institute, Inc. (ESRI).
1997. National Imagery and Mapping Agency. World Aeronautical Points is a point theme representing aeronautical facilities throughout the world. This dataset is part of the Vector Map Level... National Imagery and Mapping Agency.
1997. National Imagery and Mapping Agency. World Danger Points is a point theme representing hydrographic hazards or dangers located throughout the world. Features in this layer have a FACC... National Imagery and Mapping Agency.
1997. National Imagery and Mapping Agency. World Highways is a polyline theme representing major roadways in areas throughout the world. This dataset is part of the Vector Map Level 0 datab... National Imagery and Mapping Agency.
1997. National Imagery and Mapping Agency. World Miscellaneous Transportation Lines is a line theme representing various transportation structures worldwide. Objects in this layer may have F... National Imagery and Mapping Agency.
1997. National Imagery and Mapping Agency. World Miscellaneous Transportation Lines is a line theme representing Transportation Structures located throughout the world. Features represented... National Imagery and Mapping Agency.
1997. National Imagery and Mapping Agency. World Miscellaneous Transportation Points is a point theme representing Transportation Structures located throughout the world. Features represent... National Imagery and Mapping Agency.