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2. 106th Congressional District Boundaries

Polygon Harvard University Public content
1999. Bureau of Transportation Statistics, (comp.). The 106th Congressional District Boundaries data set contains geographic information for the political entities of the Congressional districts of t... Bureau of Transportation Statistics.

4. 90-Meter Bathymetric Grid, New England, 1999

Raster Stanford University Public content
1999. National Geophysical Data Center, United States. Department of Commerce, United States. National Oceanic and Atmospheric Administration, and United States. National Environmental Satellite, Data, and Information Service. This raster dataset provides bathymetry information at a resolution of 90 meters for New England- from coastal regions to the edge of the continent... National Geophysical Data Center.

5. A Carto-Craft street map of Metropolitan Birmingham, Alabama

Image Princeton University Restricted content
1998. Lang, Kurt. Shows zip codes. On verso: street index, and Leeds inset map, same scale as main map -- Downtown Birmingham map with building location index. Birmingham, AL : Carto-Craft Map Co., 1998.

6. Aasiaat (Egedesminde) to Torsukattak (Raster Image)

Raster Stanford University Restricted content
1998. Land Info (Firm) and United States. Defense Mapping Agency. Georeferenced nautical chart. Map no. 38460 This map is part of a collection of scanned and georeferenced nautical charts produced by the National ... Land Info (Firm).

13. Addresses - City of Newton

Point Harvard University Restricted content
1998. City of Newton GIS. This data layer contains point locations representing all known addresses in Newton. Originally the parcel file was used for this purpose. However,...

14. Administrative Regions, Level One - North Korea

Polygon Harvard University Restricted content
1998. Asia Pacific Spatial Data Project (APSDP), formerly ACASIAN or Australian Centre of the Asian Spatial Information and Analysis Network. This layer contains the administrative boundaries and regions for ADM1 shi and do (municipalities and provinces) of North Korea. These boundary dat...

15. Administrative Regions, Level Two - North Korea

Polygon Harvard University Restricted content
1998. Asia Pacific Spatial Data Project (APSDP), formerly ACASIAN or Australian Centre of the Asian Spatial Information and Analysis Network. This layer contains the administrative boundaries and regions for ADM2 shi and kun (Municipalities and Districts - the same Korean term is used at ...

16. Administrative Seats - North Korea

Point Harvard University Restricted content
1998. Asia Pacific Spatial Data Project (APSDP), formerly ACASIAN or Australian Centre of the Asian Spatial Information and Analysis Network. Point location coverage for seats of administrative units below the ADM2 level, consisting of shi (cities), up (towns), nodongja-ku (communes), and...

17. Administrative Unit Capitals, Pakistan, 1998

Point Stanford University Restricted content
1998. Asian Spatial Information and Analysis Network (Australia). Australian Centre and Griffith University. This point shapefile contains the capital cities for level 1 administrative (ADM1) units in Pakistan in 1998. Administrative units consist of 4 pro... Asian Spatial Information and Analysis Network (Australia). Australian Centre.

18. Administrative Units with Populations, Pakistan, 1998

Polygon Stanford University Restricted content
1998. Asian Spatial Information and Analysis Network (Australia). Australian Centre and Griffith University. This polygon shapefile contains the administrative unit boundaries for Pakistan in 1998. Administrative units consist of 4 provinces, one federal c... Asian Spatial Information and Analysis Network (Australia). Australian Centre.

28. Africa (1999).

Image Princeton University Public content
1999. Central Intelligence Agency. This is a map of Africa, shown at a 1:51,400,000 scale. The map was created by the Central Intelligence Agency. Central Intelligence Agency.

30. Alabama Block Groups

Polygon Harvard University Restricted content
1999. Geographic Data Technology, Inc. (GDT), Harvard Geospatial Library, and Environmental Systems Research Institute, Inc. (ESRI). Alabama Block Groups represents the U.S. Census block groups of Alabama. Environmental Systems Research Institute, Inc. (ESRI).

31. Alabama Major Roads

Line Harvard University Restricted content
1999. Geographic Data Technology, Inc. (GDT), Harvard Geospatial Library, and Environmental Systems Research Institute, Inc. (ESRI). Alabama Major Roads represents interstate, U.S., and state highways and other major thoroughfares within Alabama. Environmental Systems Research Institute, Inc. (ESRI).

32. Alabama Major Roads 2002

Line Princeton University Restricted content
1999. Geographic Data Technology, Inc. (GDT). Alabama Major Roads represents interstate, U.S., and state highways and other major thoroughfares within Alabama. Environmental Systems Research Institute, Inc. (ESRI).

33. Alabama Tracts

Polygon Harvard University Restricted content
1999. Geographic Data Technology, Inc. (GDT), Harvard Geospatial Library, and Environmental Systems Research Institute, Inc. (ESRI). Alabama Tracts represents the U.S. Census tracts and block numbering areas (BNA) of Alabama. Environmental Systems Research Institute, Inc. (ESRI).

34. Alabama ZIP Code Areas

Polygon Harvard University Restricted content
1999. Geographic Data Technology, Inc. (GDT), Harvard Geospatial Library, and Environmental Systems Research Institute, Inc. (ESRI). Alabama ZIP Code Areas represents five-digit ZIP Code areas used by the U.S. Postal Service to deliver mail more effectively. The first digit of a ... Environmental Systems Research Institute, Inc. (ESRI).

35. Alaska Block Groups

Polygon Harvard University Restricted content
1999. Geographic Data Technology, Inc. (GDT), Harvard Geospatial Library, and Environmental Systems Research Institute, Inc. (ESRI). Alaska Block Groups represents the U.S. Census block groups of Alaska. Environmental Systems Research Institute, Inc. (ESRI).

36. Alaska Major Roads

Line Harvard University Restricted content
1999. Geographic Data Technology, Inc. (GDT), Harvard Geospatial Library, and Environmental Systems Research Institute, Inc. (ESRI). Alaska Major Roads represents interstate, U.S., and state highways and other major thoroughfares within Alaska. Environmental Systems Research Institute, Inc. (ESRI).

37. Alaska Major Roads 2002

Line Princeton University Restricted content
1999. Geographic Data Technology, Inc. (GDT). Alaska Major Roads represents interstate, U.S., and state highways and other major thoroughfares within Alaska. Environmental Systems Research Institute, Inc. (ESRI).

38. Alaska Tracts

Polygon Harvard University Restricted content
1999. Geographic Data Technology, Inc. (GDT), Harvard Geospatial Library, and Environmental Systems Research Institute, Inc. (ESRI). Alaska Tracts represents the U.S. Census tracts and block numbering areas (BNA) of Alaska. Environmental Systems Research Institute, Inc. (ESRI).

39. Alaska ZIP Code Areas

Polygon Harvard University Restricted content
1999. Geographic Data Technology, Inc. (GDT), Harvard Geospatial Library, and Environmental Systems Research Institute, Inc. (ESRI). Alaska ZIP Code Areas represents five-digit ZIP Code areas used by the U.S. Postal Service to deliver mail more effectively. The first digit of a f... Environmental Systems Research Institute, Inc. (ESRI).
1998. Aerospace Center (U.S.), United States. National Imagery and Mapping Agency., United States. Defense Mapping Agency., Harvard University. Center for Geographic Analysis., and East View Cartographic, Inc. This layer is a georeferenced raster image of the United States Aerospace Center's Operational Navigation Chart (ONC) 1:1,000,000 map series sheet ... Harvard Map Collection, Harvard College Library.
1998. Aerospace Center (U.S.), United States. National Imagery and Mapping Agency., United States. Defense Mapping Agency., Harvard University. Center for Geographic Analysis., and East View Cartographic, Inc. This layer is a georeferenced raster image of the United States Aerospace Center's Operational Navigation Chart (ONC) 1:1,000,000 map series sheet ... Harvard Map Collection, Harvard College Library.

42. Alonnēsos = Alonissos

Image Princeton University Restricted content
1999. Road Ekdoseis A.E. Relief shown by gradient tints and spot heights. Includes directory of tourist information, text, color illustrations, and ancillary map "Alonnēso... Athēna : Road Ekdoseis, 1999.

43. Antigua and Barbuda

Image Princeton University Public content
1999. A scanned map object. [S.l.] : Maps.com, c1999.

44. Appalarsalik (Horse Head) to Niaqorsuaq (Red Head) (Raster Image)

Raster Stanford University Restricted content
1998. Land Info (Firm) and United States. Defense Mapping Agency. Georeferenced nautical chart. Map no. 38380 This map is part of a collection of scanned and georeferenced nautical charts produced by the National ... Land Info (Firm).

45. Approach to Antigua (Raster Image)

Raster Stanford University Restricted content
1998. Land Info (Firm) and United States. Defense Mapping Agency. Georeferenced nautical chart. Map No.: 25570 This map is part of a collection of scanned and georeferenced nautical charts produced by the National... Land Info (Firm).

46. Approaches to Atol Das Rocas (Raster Image)

Raster Stanford University Restricted content
1998. Land Info (Firm) and United States. National Imagery and Mapping Agency. This layer is a georeferenced raster image of a portion of a scanned nautical chart titled "Caribbean Sea, South America--north coast, Cabo de la V... Land Info (Firm).

47. Aquin, 1999 (Scanned Map)

Raster Columbia University Restricted content
1999. United States. Defense Mapping Agency and East View Cartographic, Inc. Aquin is a scanned, georeferenced map of the city of Aquin, Haiti at a scale of 1:10,000. Defense Mapping Agency Hydrographic/Topographic Center,.

48. Arctic Ice Chart, April 1, 1998

Polygon Stanford University Public content
1998. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 1, 1998. This layer is part of the Arctic Climate System (ACSYS) Hi... Arctic Climate System (ACSYS).

49. Arctic Ice Chart, April 12, 1999

Polygon Stanford University Public content
1999. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 12, 1999. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

50. Arctic Ice Chart, April 13, 1999

Polygon Stanford University Public content
1999. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 13, 1999. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

51. Arctic Ice Chart, April 14, 1998

Polygon Stanford University Public content
1998. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 14, 1998. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

52. Arctic Ice Chart, April 14, 1999

Polygon Stanford University Public content
1999. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 14, 1999. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

53. Arctic Ice Chart, April 15, 1998

Polygon Stanford University Public content
1998. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 15, 1998. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

54. Arctic Ice Chart, April 15, 1999

Polygon Stanford University Public content
1999. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 15, 1999. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

55. Arctic Ice Chart, April 16, 1998

Polygon Stanford University Public content
1998. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 16, 1998. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

56. Arctic Ice Chart, April 16, 1999

Polygon Stanford University Public content
1999. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 16, 1999. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

57. Arctic Ice Chart, April 17, 1998

Polygon Stanford University Public content
1998. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 17, 1998. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

58. Arctic Ice Chart, April 19, 1999

Polygon Stanford University Public content
1999. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 19, 1999. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

59. Arctic Ice Chart, April 2, 1998

Polygon Stanford University Public content
1998. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 2, 1998. This layer is part of the Arctic Climate System (ACSYS) Hi... Arctic Climate System (ACSYS).

60. Arctic Ice Chart, April 20, 1998

Polygon Stanford University Public content
1998. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 20, 1998. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

61. Arctic Ice Chart, April 20, 1999

Polygon Stanford University Public content
1999. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 20, 1999. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

62. Arctic Ice Chart, April 21, 1998

Polygon Stanford University Public content
1998. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 21, 1998. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

63. Arctic Ice Chart, April 21, 1999

Polygon Stanford University Public content
1999. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 21, 1999. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

64. Arctic Ice Chart, April 22, 1998

Polygon Stanford University Public content
1998. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 22, 1998. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

65. Arctic Ice Chart, April 22, 1999

Polygon Stanford University Public content
1999. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 22, 1999. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

66. Arctic Ice Chart, April 23, 1998

Polygon Stanford University Public content
1998. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 23, 1998. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

67. Arctic Ice Chart, April 23, 1999

Polygon Stanford University Public content
1999. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 23, 1999. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

68. Arctic Ice Chart, April 24, 1998

Polygon Stanford University Public content
1998. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 24, 1998. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

69. Arctic Ice Chart, April 26, 1999

Polygon Stanford University Public content
1999. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 26, 1999. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

70. Arctic Ice Chart, April 27, 1998

Polygon Stanford University Public content
1998. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 27, 1998. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

71. Arctic Ice Chart, April 27, 1999

Polygon Stanford University Public content
1999. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 27, 1999. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

72. Arctic Ice Chart, April 28, 1998

Polygon Stanford University Public content
1998. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 28, 1998. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

73. Arctic Ice Chart, April 28, 1999

Polygon Stanford University Public content
1999. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 28, 1999. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

74. Arctic Ice Chart, April 29, 1998

Polygon Stanford University Public content
1998. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 29, 1998. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

75. Arctic Ice Chart, April 29, 1999

Polygon Stanford University Public content
1999. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 29, 1999. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

76. Arctic Ice Chart, April 3, 1998

Polygon Stanford University Public content
1998. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 3, 1998. This layer is part of the Arctic Climate System (ACSYS) Hi... Arctic Climate System (ACSYS).

77. Arctic Ice Chart, April 30, 1998

Polygon Stanford University Public content
1998. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 30, 1998. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

78. Arctic Ice Chart, April 30, 1999

Polygon Stanford University Public content
1999. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 30, 1999. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

79. Arctic Ice Chart, April 6, 1998

Polygon Stanford University Public content
1998. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 6, 1998. This layer is part of the Arctic Climate System (ACSYS) Hi... Arctic Climate System (ACSYS).

80. Arctic Ice Chart, April 6, 1999

Polygon Stanford University Public content
1999. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 6, 1999. This layer is part of the Arctic Climate System (ACSYS) Hi... Arctic Climate System (ACSYS).

81. Arctic Ice Chart, April 7, 1998

Polygon Stanford University Public content
1998. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 7, 1998. This layer is part of the Arctic Climate System (ACSYS) Hi... Arctic Climate System (ACSYS).

82. Arctic Ice Chart, April 7, 1999

Polygon Stanford University Public content
1999. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 7, 1999. This layer is part of the Arctic Climate System (ACSYS) Hi... Arctic Climate System (ACSYS).

83. Arctic Ice Chart, April 8, 1998

Polygon Stanford University Public content
1998. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 8, 1998. This layer is part of the Arctic Climate System (ACSYS) Hi... Arctic Climate System (ACSYS).

84. Arctic Ice Chart, April 8, 1999

Polygon Stanford University Public content
1999. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 8, 1999. This layer is part of the Arctic Climate System (ACSYS) Hi... Arctic Climate System (ACSYS).

85. Arctic Ice Chart, April 9, 1999

Polygon Stanford University Public content
1999. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 9, 1999. This layer is part of the Arctic Climate System (ACSYS) Hi... Arctic Climate System (ACSYS).

86. Arctic Ice Chart, August 10, 1998

Polygon Stanford University Public content
1998. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for August 10, 1998. This layer is part of the Arctic Climate System (ACSYS) ... Arctic Climate System (ACSYS).

87. Arctic Ice Chart, August 10, 1999

Polygon Stanford University Public content
1999. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for August 10, 1999. This layer is part of the Arctic Climate System (ACSYS) ... Arctic Climate System (ACSYS).

88. Arctic Ice Chart, August 11, 1998

Polygon Stanford University Public content
1998. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for August 11, 1998. This layer is part of the Arctic Climate System (ACSYS) ... Arctic Climate System (ACSYS).

89. Arctic Ice Chart, August 11, 1999

Polygon Stanford University Public content
1999. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for August 11, 1999. This layer is part of the Arctic Climate System (ACSYS) ... Arctic Climate System (ACSYS).

90. Arctic Ice Chart, August 12, 1998

Polygon Stanford University Public content
1998. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for August 12, 1998. This layer is part of the Arctic Climate System (ACSYS) ... Arctic Climate System (ACSYS).

91. Arctic Ice Chart, August 12, 1999

Polygon Stanford University Public content
1999. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for August 12, 1999. This layer is part of the Arctic Climate System (ACSYS) ... Arctic Climate System (ACSYS).

92. Arctic Ice Chart, August 13, 1998

Polygon Stanford University Public content
1998. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for August 13, 1998. This layer is part of the Arctic Climate System (ACSYS) ... Arctic Climate System (ACSYS).

93. Arctic Ice Chart, August 13, 1999

Polygon Stanford University Public content
1999. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for August 13, 1999. This layer is part of the Arctic Climate System (ACSYS) ... Arctic Climate System (ACSYS).

94. Arctic Ice Chart, August 14, 1998

Polygon Stanford University Public content
1998. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for August 14, 1998. This layer is part of the Arctic Climate System (ACSYS) ... Arctic Climate System (ACSYS).

95. Arctic Ice Chart, August 16, 1999

Polygon Stanford University Public content
1999. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for August 16, 1999. This layer is part of the Arctic Climate System (ACSYS) ... Arctic Climate System (ACSYS).

96. Arctic Ice Chart, August 17, 1998

Polygon Stanford University Public content
1998. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for August 17, 1998. This layer is part of the Arctic Climate System (ACSYS) ... Arctic Climate System (ACSYS).

97. Arctic Ice Chart, August 17, 1999

Polygon Stanford University Public content
1999. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for August 17, 1999. This layer is part of the Arctic Climate System (ACSYS) ... Arctic Climate System (ACSYS).

98. Arctic Ice Chart, August 18, 1998

Polygon Stanford University Public content
1998. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for August 18, 1998. This layer is part of the Arctic Climate System (ACSYS) ... Arctic Climate System (ACSYS).

99. Arctic Ice Chart, August 18, 1999

Polygon Stanford University Public content
1999. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for August 18, 1999. This layer is part of the Arctic Climate System (ACSYS) ... Arctic Climate System (ACSYS).

100. Arctic Ice Chart, August 19, 1998

Polygon Stanford University Public content
1998. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for August 19, 1998. This layer is part of the Arctic Climate System (ACSYS) ... Arctic Climate System (ACSYS).