GeoData @ UCB

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1. Africa, 1611 or 1612 (Raster Image)

1611. Harvard Map Collection, Harvard College Library. This layer is a georeferenced raster image of the historic paper map entitled: Nova Africae tabula, auctore Jodoco Hondio. It was published by Excu... Harvard Map Collection, Harvard College Library.

2. Africa, ca. 1725 (Raster Image)

1725. Harvard Map Collection, Harvard College Library. This layer is a georeferenced raster image of the historic paper map entitled: Africa vetus, autore N. Sanson. It was published by J. Cóvens C. M... Harvard Map Collection, Harvard College Library.

3. Black Sea and Caucasus Regions, 1774 (Image 1 of 3) (Raster Image)

1774. Harvard Map Collection, Harvard College Library. This layer is a georeferenced raster image of the historic paper map entitled: Carte de la partie septentrionale de l'Empire Otoman : dédiée a Mons... Harvard Map Collection, Harvard College Library.

4. Black Sea and Caucasus Regions, 1774 (Image 2 of 3) (Raster Image)

1774. Harvard Map Collection, Harvard College Library. This layer is a georeferenced raster image of the historic paper map entitled: Carte de la partie septentrionale de l'Empire Otoman : dédiée a Mons... Harvard Map Collection, Harvard College Library.

5. Black Sea and Caucasus Regions, 1774 (Image 3 of 3) (Raster Image)

1774. Harvard Map Collection, Harvard College Library. This layer is a georeferenced raster image of the historic paper map entitled: Carte de la partie septentrionale de l'Empire Otoman : dédiée a Mons... Harvard Map Collection, Harvard College Library.

6. Central Europe, 1813 (Raster Image)

1813. Harvard Map Collection, Harvard College Library. This layer is a georeferenced raster image of the historic paper map entitled: Carte générale d'Allemagne comprenant l'empire d'Autriche, la Conféd... Harvard Map Collection, Harvard College Library.

7. Coasts, Mediterranean Sea and Black Sea Region, 1814 (Raster Image)

1814. Harvard Map Collection, Harvard College Library. This layer is a georeferenced raster image of the historic paper map entitled: Carte réduite de la mer Méditerranée et de la mer Noire : dédiée et ... Harvard Map Collection, Harvard College Library.

8. Coasts, Mediterranean Sea Region, 1709 (Raster Image)

1709. Harvard Map Collection, Harvard College Library. This layer is a georeferenced raster image of the historic paper map entitled: Carte de la mer Mediterranée : presentée à Monseigneur le Bailli de ... Harvard Map Collection, Harvard College Library.

9. Coasts, Mediterranean Sea Region, 1763 (Raster Image)

1763. Harvard Map Collection, Harvard College Library. This layer is a georeferenced raster image of the historic paper map entitled: Carte de la mer Méditerranée : appuyée sur les observations astronom... Harvard Map Collection, Harvard College Library.

10. Coasts, Mediterranean Sea Region, East, 1680-1689 (Raster Image)

1680. Harvard Map Collection, Harvard College Library. This layer is a georeferenced raster image of the historic paper map entitled: Orientalior districtus Maris Mediterranei = T' Ooster gedeelte van d... Harvard Map Collection, Harvard College Library.

11. Coasts, Mediterranean Sea Region, West, 1680-1689 (Raster Image)

1680. Harvard Map Collection, Harvard College Library. This layer is a georeferenced raster image of the historic paper map entitled: Occidentalior Tractus Maris Mediterranei = Wester gedeelte van de Mi... Harvard Map Collection, Harvard College Library.

12. DCW Aeronautical Facilities, Points

1992. National Imagery and Mapping Agency (now National Geospatial-Intelligence Agency). This datalayer is a point coverage representing aeronautical facilities located throughout DCW (Digital Chart of the World) geographic coverage as ... National Imagery and Mapping Agency.

13. DCW Cultural Landmarks, Lines

1992. National Imagery and Mapping Agency (now National Geospatial-Intelligence Agency). This datalayer is a polyline coverage representing cultural landmarks located throughout DCW (Digital Chart of the World) geographic coverage as of... National Imagery and Mapping Agency.

14. DCW Cultural Landmarks, Points

1992. National Imagery and Mapping Agency (now National Geospatial-Intelligence Agency). This datalayer is a point coverage representing a wide variety of cultural landmark features located throughout DCW (Digital Chart of the World) ge... National Imagery and Mapping Agency.

15. DCW Cultural Landmarks, Polygons

1992. National Imagery and Mapping Agency (now National Geospatial-Intelligence Agency). This datalayer is a polygon coverage representing a wide variety of cultural landmark features located throughout DCW (Digital Chart of the World) ... National Imagery and Mapping Agency.

16. DCW Data Quality, Lines

1992. National Imagery and Mapping Agency (now National Geospatial-Intelligence Agency). This datalayer is a polyline coverage representing data quality features throughout DCW (Digital Chart of the World) geographic coverage as of 1992... National Imagery and Mapping Agency.

17. DCW Data Quality Polygons

1992. National Imagery and Mapping Agency (now National Geospatial-Intelligence Agency). This datalayer is a polygon coverage representing data quality features throughout DCW (Digital Chart of the World) geographic coverage as of 1992.... National Imagery and Mapping Agency.

18. DCW Drainage Features, Lines

1992. National Imagery and Mapping Agency (now National Geospatial-Intelligence Agency). This datalayer is a line coverage representing varous drainage feature types located throughout DCW (Digital Chart of the World) geographic coverag... National Imagery and Mapping Agency.

19. DCW Drainage Features, Points

1992. National Imagery and Mapping Agency (now National Geospatial-Intelligence Agency). This datalayer is a point coverage representing hydrographic drainage features located throughout DCW (Digital Chart of the World) geographic cover... National Imagery and Mapping Agency.

20. DCW Drainage Features, Polygons

1992. National Imagery and Mapping Agency (now National Geospatial-Intelligence Agency). This datalayer is a polygon coverage representing drainage features located throughout DCW (Digital Chart of the World) geographic coverage as of 1... National Imagery and Mapping Agency.

21. DCW Hypsography, Lines

1992. National Imagery and Mapping Agency (now National Geospatial-Intelligence Agency). This datalayer is a line coverage representing hypsographic (contour line) features located throughout DCW (Digital Chart of the World) geographic ... National Imagery and Mapping Agency.

22. DCW Hypsography Lines, Supplemental

1992. National Imagery and Mapping Agency (now National Geospatial-Intelligence Agency). This datalayer is a polyline coverage representing hypsographic features (contour lines) located throughout DCW (Digital Chart of the World) geogra... National Imagery and Mapping Agency.

23. DCW Hypsography, Points

1992. National Imagery and Mapping Agency (now National Geospatial-Intelligence Agency). This datalayer is a point coverage representing hypsographic features (spot elevations) located throughout DCW (Digital Chart of the World) geograp... National Imagery and Mapping Agency.

24. DCW Hypsography Points, Supplemental

1992. National Imagery and Mapping Agency (now National Geospatial-Intelligence Agency). This datalayer is a point coverage representing hypsographic features (spot elevations) located throughout DCW (Digital Chart of the World) geogra... National Imagery and Mapping Agency.

25. DCW Hypsography, Polygons

1992. National Imagery and Mapping Agency (now National Geospatial-Intelligence Agency). This datalayer is a polygon coverage representing hypsographic features (as elevation zones) located throughout DCW (Digital Chart of the World) g... National Imagery and Mapping Agency.

26. DCW Land Cover Features, Points

1992. National Imagery and Mapping Agency (now National Geospatial-Intelligence Agency). This datalayer is a point coverage representing land cover features located throughout DCW (Digital Chart of the World) geographic coverage as of 1... National Imagery and Mapping Agency.

27. DCW Landcover, Polygons

1992. National Imagery and Mapping Agency (now National Geospatial-Intelligence Agency). This datalayer is a polygon coverage representing landcover features located throughout DCW (Digital Chart of the World) geographic coverage as of ... National Imagery and Mapping Agency.

28. DCW Ocean Features, Lines

1992. National Imagery and Mapping Agency (now National Geospatial-Intelligence Agency). This datalayer is a polyline coverage representing ocean features such as reefs and maritime area limits, along with other miscellaneous features l... National Imagery and Mapping Agency.

29. DCW Ocean Features, Points

1992. National Imagery and Mapping Agency (now National Geospatial-Intelligence Agency). This datalayer is a point coverage representing ocean features such as exposed recks and rocks located throughout DCW (Digital Chart of the World) ... National Imagery and Mapping Agency.

30. DCW Physiographic Features, Lines

1992. National Imagery and Mapping Agency (now National Geospatial-Intelligence Agency). This datalayer is a line coverage representing various physiographic features found throughout DCW (Digital Chart of the World) geographic coverage... National Imagery and Mapping Agency.

31. DCW Political and Ocean Features, Points

1992. National Imagery and Mapping Agency (now National Geospatial-Intelligence Agency). This datalayer is a point coverage representing island features found throughout DCW (Digital Chart of the World) geographic coverage as of 1992. ... National Imagery and Mapping Agency.

32. DCW Political and Oceans Features, Polygons

1992. National Imagery and Mapping Agency (now National Geospatial-Intelligence Agency). This datalayer is a polyfon coverage representing political and ocean feature areas found throughout DCW (Digital Chart of the World) geographic co... National Imagery and Mapping Agency.

33. DCW Political Boundaries and Oceans, Lines

1992. National Imagery and Mapping Agency (now National Geospatial-Intelligence Agency). This datalayer is a polyline coverage representing political boundaries and ocean feature lines found throughout DCW (Digital Chart of the World) g... National Imagery and Mapping Agency.

34. DCW Populated Places, Points

1992. National Imagery and Mapping Agency (now National Geospatial-Intelligence Agency). This datalayer is a point coverage representing populated places found throughout DCW (Digital Chart of the World) geographic coverage as of 1992. ... National Imagery and Mapping Agency.

35. DCW Railroads, Lines

1992. National Imagery and Mapping Agency (now National Geospatial-Intelligence Agency). This datalayer is a polyline coverage representing railroad features found throughout DCW (Digital Chart of the World) geographic coverage as of 19... National Imagery and Mapping Agency.

36. DCW Roads, Lines

1992. National Imagery and Mapping Agency (now National Geospatial-Intelligence Agency). This datalayer is a polyline coverage representing road features found throughout DCW (Digital Chart of the World) geographic coverage as of 1992. ... National Imagery and Mapping Agency.

37. DCW Transportation Structures, Lines

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.

38. DCW Transportation Structures, Points

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.

39. DCW Utility Features, Lines

1992. National Imagery and Mapping Agency (now National Geospatial-Intelligence Agency). This datalayer is a polyline coverage representing various utility features found throughout DCW (Digital Chart of the World) geographic coverage a... National Imagery and Mapping Agency.

40. DCW Vegetation Features, Polygons

1992. National Imagery and Mapping Agency (now National Geospatial-Intelligence Agency). This datalayer is a polygon coverage representing vegetation types. This layer contains land cover information for the coterminous United States o... National Imagery and Mapping Agency.

41. ESRI Data Maps 2004 : Europe Ferries

2002. AND Products B.V. Europe Ferries contains the ferry routes in Europe. ESRI.

42. Europe Mediterranean Sea Region, 1705 (Image 1 of 2) (Raster Image)

1705. Harvard Map Collection, Harvard College Library. This layer is a georeferenced raster image of the historic paper map entitled: Toonneel des oorlogs in't zuider deel van Europa, door Carel Allard ... Harvard Map Collection, Harvard College Library.

43. Europe Mediterranean Sea Region, 1705 (Image 2 of 2) (Raster Image)

1705. Harvard Map Collection, Harvard College Library. This layer is a georeferenced raster image of the historic paper map entitled: Toonneel des oorlogs in't zuider deel van Europa, door Carel Allard ... Harvard Map Collection, Harvard College Library.

44. Global GIS : Aqueducts, canals, flumes, penstocks

1997. United States. National Imagery and Mapping Agency. This datalayer is a polyline coverage representing major roads worldwide and was published as part of the USGS Global GIS : global coverage databas... American Geological Institute.

45. Global GIS : Bailey equal-area grid

2003. Environmental Systems Research Institute (Redlands, Calif.). This dataset is a polyline coverage representing the Bailey Equal-Area Grid. The Bailey Equal-Area Grid is an area-reference grid that uses meridi... American Geological Association.

46. Global GIS : Drainage Basins

2003. EROS Data Center. This datalayer is a polygon coverage representing hydrologic drainage basins located worldwide. The data displayed here is derived from the HYDRO 1... American Geological Institute.

47. Global GIS : Earthquake epicenters (1973-2003)

1973. American Geological Institute. This datalayer is a point coverage representing earthquake epicenters (1973 through March, 2003). Historical data for this layer were derived from... American Geological Institute.

48. Global GIS : Gazetteer of non-populated places, Eastern Hemisphere

2003. United States. National Geospatial-Intelligence Agency. This datalayer is a point coverage representing a gazetteer of non-populated place features located between the Greenwich meridian (0 degrees) and ... American Geological Institute.

49. Global GIS : Gazetteer of non-populated places, Western Hemisphere (excluding U.S.)

2003. United States. National Geospatial-Intelligence Agency. This datalayer is a point coverage representing a gazetteer of non-populated place features located between the Greenwich meridian (0 degrees) and ... American Geological Institute.

50. Global GIS : Gazetteer of populated places, Eastern Hemisphere

2003. United States. National Geospatial-Intelligence Agency. This datalayer is a point coverage representing a gazetteer of populated place features located between the Greenwich meridian (0 degrees) and 180 ... American Geological Institute.

51. Global GIS : Gazetteer of populated places, Western Hemisphere (excluding U.S.)

2003. United States. National Geospatial-Intelligence Agency. This datalayer is a point coverage representing a gazetteer of populated place features located between the Greenwich meridian (0 degrees) and 180 ... American Geological Institute.

52. Global GIS : Geologic map (excluding the United States)

2003. American Geological Institute. This datalayer is a polygon coverage showing U.S. Geological Survey defined geologic provinces of the World, excluding the United States. It was pu... American Geological Institute.

53. Global GIS : geologic provinces of the world

2000. American Geological Institute. This shapefile includes arcs and polygons that describe U.S. Geological Survey defined geologic provinces of the World. Each province has a set o... American Geological Institute.

54. Global GIS : Global 5-degree latitude/longitude grid lines (including geographically significant lines)

2003. American Geological Institute. This dataset is a polyline coverage representing a 5-degree by 5-degree global latitude and longitude grid, including geographically significant li... American Geological Institute.

55. Global GIS : Global Climate Database : Actual evapotranspiration

1982. International Institute of Applied Systems Analyses. This datalayer is a point shapefile that shows long-term (1931-1960) mean monthly values for actual evapotranspiration (AE) (in millimeters) on a g... American Geological Institute.

56. Global GIS : Global Climate Database : Cloud coverage

1982. International Institute of Applied Systems Analyses. This datalayer is a point shapefile that shows long-term (1931-1960) mean monthly values for cloud cover on a global terrestrial grid at 0.5 degree... American Geological Institute.

57. Global GIS : Global Climate Database : Potential evapotranspiration

1982. International Institute of Applied Systems Analyses. This datalayer is a point shapefile that shows long-term (1931-1960) mean monthly values for potential evapotranspiration (PET) (in millimeters) on... American Geological Institute.

58. Global GIS : Global Climate Database : Precipitation

1982. International Institute of Applied Systems Analyses. This datalayer is a point shapefile that shows long-term (1931-1960) mean monthly values for precipitation (in millimeters) on a global terrestrial... American Geological Institute.

59. Global GIS : Global Climate Database : Temperature

1982. International Institute of Applied Systems Analyses. This datalayer is a point shapefile that shows long-term (1931-1960) mean monthly values for temperatures (in degrees Celsius) on a global terrestr... American Geological Institute.

60. Global GIS : Hydrography danger points

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.

61. Global GIS : international river basins of the world

2003. Wolf, Aaron T. This datalayer is a polygon coverage representing the Transboundary Freshwater Dispute Database dataset: international river basins of the world. T... American Geological Institute.

62. Global GIS : Land ice areas

1997. United States. National Imagery and Mapping Agency. This datalayer is a polygon coverage representing land ice areas (snow fields or ice fields which are on land) worldwide and was published as part ... American Geological Institute.

63. Global GIS : MAS/MILS mineral location database information

1998. Causey, J. Douglas. This datalayer is a point coverage representing mine and mineral resource occurrence data worldwide (most thoroughly within the U.S.) and was publi... U.S. Geological Survey.

64. Global GIS : Mineral Resource Data System (MRDS) data in ArcView Shape File Format, for Spacial Data Delivery Project, 1999

1. American Geological Institute. This datalayer is a point coverage representing metallic and non-metallic mineral resources worldwide. This data was derived from the Mineral Resou... American Geological Institute.

65. Global GIS : Miscellaneous hydrography point features

1997. United States. National Imagery and Mapping Agency. This datalayer is a point coverage representing worldwide miscellaneous hydrography point features and was published as part of the USGS Global GIS... American Geological Institute.

66. Global GIS : Miscellaneous industry points

1997. United States. National Imagery and Mapping Agency. This datalayer is a point coverage representing worldwide miscellaneous industry point features and was published as part of the USGS Global GIS : ... American Geological Institute.

67. Global GIS : Natural resources extraction areas and fishery industrial areas

1997. United States. National Imagery and Mapping Agency. This datalayer is a polygon coverage representing worldwide locations where natural resources are being extracted from the earth and locations wher... American Geological Institute.

68. Global GIS : Natural resources extraction points

1997. United States. National Imagery and Mapping Agency. This datalayer is a point coverage representing worldwide locations where natural resources are being extracted from the earth. It was published a... American Geological Institute.

69. Global GIS : Oil and gas fields

1999. American Geological Institute. This coverage contains points that describe centerpoint locations of and primary commodity produced by oil and gas fields. A fundamental task in t... American Geological Institute.

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

2150. Geological Survey (U.S.). This shapefile includes points which represent locations of significant historical earthquakes worldwide documented from 2150 B.C. until 1994 A.D. ... American Geological Institute.

71. Global GIS : Storage points

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.

72. Global GIS : Utility point features

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.

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

2003. Smithsonian Institution. Global Volcanism Program. 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.

74. Global GIS : World gazetteer (major cities)

2003. United States. National Geospatial-Intelligence Agency. This datalayer is a point coverage representing major cities worldwide based on information from the GNS (GEOnet Names Server). For global (non-U.... American Geological Institute.

75. Global Oil Pipelines

2009. Center for Geographic Analysis, Harvard University. Global oil pipeline locations. Harvard Map Collection, Harvard College Library.

76. Mediterranean Sea Region, 1690-1699 (Raster Image)

1690. Harvard Map Collection, Harvard College Library. This layer is a georeferenced raster image of the untitled historic paper map: [Mediterranean sea], authore Iusto Danckerts. It was published by Iu... Harvard Map Collection, Harvard College Library.

77. Mediterranean Sea Region, 1700-1710 (Raster Image)

1700. Harvard Map Collection, Harvard College Library. This layer is a georeferenced raster image of the historic paper map entitled: Carte nouvelle de la mer Mediterranée : divisée en mer de Levant et ... Harvard Map Collection, Harvard College Library.

78. Mediterranean Sea Region, East, 1690-1699 (Raster Image)

1690. Harvard Map Collection, Harvard College Library. This layer is a georeferenced raster image of the historic paper map entitled: Accuratissima orientalioris districtus maris Mediterranei tabula, au... Harvard Map Collection, Harvard College Library.

79. Mediterranean Sea Region, West, 1690-1699 (Raster Image)

1690. Harvard Map Collection, Harvard College Library. This layer is a georeferenced raster image of the historic paper map entitled: Accuratissima occidentalioris districtus maris Mediterranei tabula, ... Harvard Map Collection, Harvard College Library.

80. VMap1 Aeronautical Facilities, Points

1995. National Geospatial-Intelligence Agency. This datalayer is a point coverage representing aeronautical facilities such as airports and airfields. Objects in this layer have an FACC (Featur...

81. VMap1 Agricultural Structures, Points

2001. National Geospatial-Intelligence Agency. This datalayer is a point coverage representing agricultural facilities such as silos, storage bins for feeds or grains and grain elevators. Object...

82. VMap1 Airport Control Towers

1995. National Geospatial-Intelligence Agency. This datalayer is a point coverage representing control towers and airport lighting features throughout current VMap1 geographic coverage areas. F...

83. VMap1 Aqueducts, Lines

1995. National Geospatial-Intelligence Agency. This datalayer is a polyline coverage representing aqueducts and canals located throughout current Vmap geographic coverage areas. Objects in this...

84. VMap1 Aqueducts, Points

1995. National Geospatial-Intelligence Agency. This datalayer is a point coverage representing aqueduct features such as canals and shafts. Objects in this layer have FACC (Feature and Attribute...

85. VMap1 Bluffs and Cliffs, Lines

1995. National Geospatial-Intelligence Agency. This datalayer is a polyline coverage representing physiographic features such as bluffs or cliffs located throughout current Vmap1 geographic cove...

86. VMap1 Boundary Barriers, Lines

1995. National Geospatial-Intelligence Agency. This datalayer is a polyline coverage representing barriers such as as walls and fences, located throughout current Vmap geographic coverage areas....

87. VMap1 Boundary Text Labels, Points

1995. National Geospatial-Intelligence Agency. This datalayer is a point coverage representing named locations of boundary text label points located throughout current Vmap geographic coverage a...

88. VMap1 Boundary Void Collection Areas

1995. National Geospatial-Intelligence Agency. This datalayer is a polygon coverage representing Void Collection Area or areas lacking suitable source coverage, or where data is not required. Th...

89. VMap1 Bridges, Lines

1995. National Geospatial-Intelligence Agency. This datalayer is a polyline coverage representing bridges, overpasses or viaducts located throughout current Vmap geographic coverage areas. Obje...

90. VMap1 Bridges, Points

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

91. VMap1 Buildings, Points

1995. National Geospatial-Intelligence Agency. This datalayer is a point coverage representing various kinds of buildings located throughout current Vmap geographic coverage areas. Objects in th...

92. VMap1 Buildings, Polygons

1995. National Geospatial-Intelligence Agency. This datalayer is a polygon coverage representing various kinds of buildings located throughout current Vmap geographic coverage areas. Objects in ...

93. VMap1 Built-Up Areas, Polygons

1995. National Geospatial-Intelligence Agency. This datalayer is a polygon coverage representing built-up areas located throughout current Vmap geographic coverage areas. Objects in this layer ...

94. VMap1 Built-Up Places, Points

1995. National Geospatial-Intelligence Agency. This datalayer is a point coverage representing built-up places located throughout current Vmap geographic coverage areas. Objects in this layer h...

95. VMap1 Caves, Points

1995. National Geospatial-Intelligence Agency. This datalayer is a point coverage representing cave features located throughout current Vmap geographic coverage areas. Objects in this layer hav...

96. VMap1 Coastal Areas, Polygons

1995. National Geospatial-Intelligence Agency. This datalayer is a polygon coverage representing coastal hydrography located throughout current Vmap geographic coverage areas. Features in this l...

97. VMap1 Coastlines

1995. National Geospatial-Intelligence Agency. This datalayer is a polyline coverage representing coastlines (shorelines) located throughout current VMap1 geographic coverage areas. Features in...

98. VMap1 Communication Towers, Points

1995. National Geospatial-Intelligence Agency. This datalayer is a point coverage representing communication towers located throughout current VMap1 geographic coverage areas. Features in this ...

99. VMap1 Contour Lines

1995. National Geospatial-Intelligence Agency. This datalayer is a polyline coverage representing contour lines located throughout current VMap1 geographic coverage areas. This layer was derive...

100. VMap1 Dams, Lines

1995. National Geospatial-Intelligence Agency. This datalayer is a polyline coverage representing dams and weirs located throughout current VMap1 geographic coverage areas. Features in this lay...