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Start Over You searched for: Subject transportation Remove constraint Subject: transportation Publisher American Geological Institute Remove constraint Publisher: American Geological Institute Bounding Box -40.000931 39.999015 -39.999064 40.000987 Remove constraint Bounding Box: -40.000931 39.999015 -39.999064 40.000987

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1. Global GIS : Airfields

Datasets Harvard University Restricted content
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.

2. Global GIS : Hydrography danger points

Datasets Harvard University Public content
1997. United States. National Imagery and Mapping Agency. This datalayer is a point coverage representing worldwide navigational hazards or dangers near ocean and navigable lake coastlines and was publishe... American Geological Institute.

3. Global GIS : Railroads

Datasets Harvard University Restricted content
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.

4. 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.
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