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Start Over Collection U.S. Geological Survey digital data series Bounding Box -40.000931 39.999015 -39.999064 40.000987

31. 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.

32. 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.

33. Global GIS : Significant earthquakes (2150 B.C. until 1994 A.D.)

Datasets Harvard University Public content
Geological Survey (U.S.), National Geophysical Data Center, and National Earthquake Information Center. This shapefile includes points which represent locations of significant historical earthquakes worldwide documented from 2150 B.C. until 1994 A.D. ... American Geological Institute.

34. Global GIS : Smaller rivers and streams

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

35. Global GIS : Springs, wells and dams

Datasets Harvard University Restricted content
1997. United States. National Imagery and Mapping Agency. This datalayer is a point coverage representing the locations of springs/water holes/wells, dams/weirs, river rapids, and waterfalls worldwide and ... American Geological Institute.

36. Global GIS : Storage points

Datasets Harvard University Public content
1997. United States. National Imagery and Mapping Agency. This datalayer is a point coverage representing worldwide storage point features and was published as part of the USGS Global GIS : global coverage... American Geological Institute.

37. Global GIS : United States gazetteer, populated places

Datasets Harvard University Public content
2003. Geological Survey (U.S.), American Geological Institute, and Geological Survey (U.S.). National Mapping Division. This datalayer is point coverage gazetteer representing populated places in the United States and its territories. It contains official names and l... American Geological Institute.

38. Global GIS : Utility line features

Datasets Harvard University Restricted content
1997. United States. National Imagery and Mapping Agency. This datalayer is a polyline coverage representing various utility line features (including pipelines, power transmission lines and communication l... American Geological Institute.

39. Global GIS : Utility point features

Datasets Harvard University Public content
1997. United States. National Imagery and Mapping Agency. This datalayer is a point coverage representing worldwide utility point features and was published as part of the USGS Global GIS : global coverage... American Geological Institute.

40. Global GIS : volcanoes of the world ; volcano basic data

Datasets Harvard University Public content
2003. Smithsonian Institution. Global Volcanism Program, American Geological Institute, Geological Survey (U.S.), and Environmental Systems Research Institute (Redlands, Calif.). This datalayer is point coverage containing basic geographic and geologic information for worldwide volcanoes thought to have been active in the la... American Geological Institute.