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Start Over Subject geoscientificInformation Bounding Box -40.000931 39.999015 -39.999064 40.000987

31. VMap1 Mines, Polygons

Datasets Harvard University Public content
1995. National Geospatial-Intelligence Agency. This datalayer is a polygon coverage representing mines (including salt mines or evaporation ponds) and quarries located throughout current VMap1 g...

32. VMap1 Mountain Passes, Points

Datasets Harvard University Public content
1995. National Geospatial-Intelligence Agency. This datalayer is a point coverage representing mountain passes located throughout current VMap1 geographic coverage areas. Features in this layer ...

33. VMap1 Sea Ice, Polygons

Datasets Harvard University Public content
1995. National Geospatial-Intelligence Agency. This datalayer is a polygon coverage representing areas of sea or pack ice located throughout current VMap1 geographic coverage areas. Features in ...

34. World Map Showing Geomagnetic Meridians and Parallels, 1849 (Raster Image)

Datasets Harvard University Public content
1849. Harvard Map Collection, Harvard College Library, Harvard University. Library. Open Collections Program, Duperrey, Louis-Isidore, 1786-1865., and Meyer, Joseph, 1796-1856. This layer is a georeferenced raster image of the historic paper map entitled: Wachsende Karte der Magnetischen Meridiane und Parallelen : Gegrunde... Harvard Map Collection, Harvard College Library.

35. World Map Showing Isodynamic Lines, 1849 (Raster Image)

Datasets Harvard University Public content
1849. Harvard Map Collection, Harvard College Library, Harvard University. Library. Open Collections Program, Duperrey, Louis-Isidore, 1786-1865., and Meyer, Joseph,1796-1856. This layer is a georeferenced raster image of the historic paper map entitled: Darstellung der isodynamischen Linien : nach den Beobachtungen der m... Harvard Map Collection, Harvard College Library.