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1. 1 Degree Graticule, Northeast United States, 2010

2010. United States. National Oceanic and Atmospheric Administration, United States. Department of Commerce, United States. National Ocean Service, and Coastal Services Center (U.S.). This line shapefile displays graticules (grid lines of latitude parallels and longitude meridians) for the Northeastern United States at 1 degree i... Coastal Services Center (U.S.).

2. 10 Degree Graticule, Northeast United States, 2010

2010. United States. National Oceanic and Atmospheric Administration, United States. Department of Commerce, United States. National Ocean Service, and Coastal Services Center (U.S.). This line shapefile displays graticules (grid lines of latitude parallels and longitude meridians) for the Northeastern United States at 10 degree ... Coastal Services Center (U.S.).

3. 10-Degree Graticule Grid, World, 1:10 million, 2012

2012. Patterson, Tom and Kelso, Nathaniel Vaughn. This line shapefile displays graticules (grid lines of latitude parallels and longitude meridians) for the world at 10 degree intervals. Graticules... North American Cartographic Information Society.

4. 10-Degree Graticule Grid, World, 1:110 million, 2012

2012. Patterson, Tom and Kelso, Nathaniel Vaughn. This line shapefile displays graticules (grid lines of latitude parallels and longitude meridians) for the world at 10 degree intervals. Graticules... North American Cartographic Information Society.

5. 10-Meter Bathymetric Contours: Continental Shelf, California, 2001

2001. California. Department of Fish and Game. Marine Resources Region. This polyline shapefile was made from 75 original tiled Digital Elevation Models (DEMs) that were mosaicked into one grid and resampled to 200 mete... California. Department of Fish and Game. Marine Resources Region.

6. 10-Meter Contours, Jasper Ridge Biological Preserve, 2001

2001. Jasper Ridge Biological Preserve (Agency). This line shapefile shows topographic contour lines of the Jasper Ridge Biological Preserve (JRBP) at 10 meter intervals. This layer is part of a c... Jasper Ridge Biological Preserve (Agency).

7. 1:1,000,000-Scale Coastline of the United States, 2014

2014. National Atlas of the United States. This line shapefile includes Global Map data showing the coastline of the United States, Puerto Rico, and the U.S. Virgin Islands. The United State... National Atlas of the United States.

8. 1:1,000,000-Scale Contours of Alaska

2014. Geological Survey (U.S.). This line shapefile shows elevation contour lines for Alaska. The map layer was derived from the 100-meter resolution elevation data set which is p... National Atlas of the United States.

9. 1:1,000,000-Scale Contours of Hawaii

2014. Geological Survey (U.S.). This line shapefile shows elevation contour lines for Hawaii. The map layer was derived from the 100-meter resolution elevation data set which is p... National Atlas of the United States.

10. 1:1,000,000-Scale Contours of Puerto Rico and the U.S. Virgin Islands

2014. Geological Survey (U.S.). This line shapefile shows elevation contour lines for Puerto Rico and the U.S. Virgin Islands. The map layer was derived from the 100-meter resolut... National Atlas of the United States.

11. 1:1,000,000-Scale Contours of the Conterminous United States

2014. Geological Survey (U.S.). This line shapefile shows elevation contour lines for the conterminous United States. The map layer was derived from the 100-meter resolution eleva... National Atlas of the United States.

12. 1:1,000,000-Scale County Boundary Lines of the United States, 2014

2014. Geological Survey (U.S.). This polygon shapefile contains the county boundaries of the United States, Puerto Rico, and the U.S. Virgin Islands. This layer was derived from t... Geological Survey (U.S.).

13. 1:1,000,000-Scale Ferries of the United States, 2014

2014. National Atlas of the United States. This map layer portrays the ferries on major roads in the United States and Puerto Rico. Ferries are ships that carry vehicles, passengers, and car... National Atlas of the United States.

14. 1:1,000,000-Scale Major Roads of the United States, 2012

2012. Geological Survey (U.S.). This map layer portrays the major roads in the United States, Puerto Rico, and the U.S. Virgin Islands. The file was produced by joining the indivi... Geological Survey (U.S.).

15. 1:1,000,000-Scale Railroads, United States, 2012

2012. National Atlas of the United States. This line shapefile represents railroads in the conterminous United States and Alaska for 2012 at 1:1,000,000 scale. This layer is part of the 1997... National Atlas of the United States.

16. 1:1,000,000-Scale Railroads, United States, 2014

2014. National Atlas of the United States. This line shapefile represents railroads in the conterminous United States and Alaska for 2014 at 1:1,000,000 scale. This is a revised version of t... National Atlas of the United States.

17. 1:1,000,000-Scale Streams of the United States, 2014

2014. Geological Survey (U.S.). This map layer shows streams of the United States, Puerto Rico, and the U.S. Virgin Islands. The map layer was produced primarily from the Medium-R... Geological Survey (U.S.).

18. 12-Nautical Mile Coastal Boundary, California, 2001

2001. King, C., California. Department of Fish and Game. Marine Resources Region, and Kum, J. This line shapefile represents the 12 nautical mile distance from the California coastline. It was created by buffering the county-coastline, which... California. Department of Fish and Game. Marine Resources Region.

19. 15 Degree Graticule, Northeast United States, 2010

2010. United States. National Oceanic and Atmospheric Administration, United States. National Ocean Service, United States. Department of Commerce, and Coastal Services Center (U.S.). This line shapefile displays graticules (grid lines of latitude parallels and longitude meridians) for the Northeastern United States at 15 degree ... Coastal Services Center (U.S.).

20. 15-Degree Graticule Grid, World, 1:10 million, 2012

2012. Patterson, Tom and Kelso, Nathaniel Vaughn. This line shapefile displays graticules (grid lines of latitude parallels and longitude meridians) for the world at 15 degree intervals. Graticules... North American Cartographic Information Society.

21. 15-Degree Graticule Grid, World, 1:110 million, 2012

2012. Patterson, Tom and Kelso, Nathaniel Vaughn. This line shapefile displays graticules (grid lines of latitude parallels and longitude meridians) for the world at 15 degree intervals. Graticules... North American Cartographic Information Society.

22. 1990 Census Roads - San Francisco Bay Area, California

1990. California. Metropolitan Transportation Commission. This line shapefile contains primary and secondary roads for the San Francosco Bay Area in California. Primary roads are generally divided, limited... California. Metropolitan Transportation Commission.

23. 1-Degree Graticule Grid, World, 1:10 million, 2012

2012. Patterson, Tom and Kelso, Nathaniel Vaughn. This line shapefile displays graticules (grid lines of latitude parallels and longitude meridians) for the world at 1 degree intervals. Graticules ... North American Cartographic Information Society.

24. 1-Degree Graticule Grid, World, 1:110 million, 2012

2012. Patterson, Tom and Kelso, Nathaniel Vaughn. This line shapefile displays graticules (grid lines of latitude parallels and longitude meridians) for the world at 1 degree intervals. Graticules ... North American Cartographic Information Society.

25. 1-Nautical Mile Boundary, Channel Islands, California, 2001

2001. California. Department of Fish and Game. Marine Resources Region. This line shapefile represents a 1 nautical mile buffer around the Channel Islands in California. This layer does not include some existing nearsho... California. Department of Fish and Game. Marine Resources Region.

26. 1-Nautical Mile Coastal Boundary, California, 2000

2000. California. Department of Fish and Game. Marine Resources Region and Serpa, Paulo. This line shapefile represents the 1 nautical mile distance from the California coastline. This layer is part of a collection of data created by th... California. Department of Fish and Game. Marine Resources Region.

27. 20-Degree Graticule Grid, World, 1:10 million, 2012

2012. Patterson, Tom and Kelso, Nathaniel Vaughn. This line shapefile displays graticules (grid lines of latitude parallels and longitude meridians) for the world at 20 degree intervals. Graticules... North American Cartographic Information Society.

28. 20-Degree Graticule Grid, World, 1:110 million, 2012

2012. Patterson, Tom and Kelso, Nathaniel Vaughn. This line shapefile displays graticules (grid lines of latitude parallels and longitude meridians) for the world at 20 degree intervals. Graticules... North American Cartographic Information Society.

29. 2-Foot Contours, Jasper Ridge Biological Preserve, 2001

2001. Jasper Ridge Biological Preserve (Agency). This shapefile shows topographic contour lines of the Jasper Ridge Biological Preserve (JRBP) at 2 foot intervals. This layer is part of a collecti... Jasper Ridge Biological Preserve (Agency).

30. 30-Degree Graticule Grid, World, 1:10 million, 2012

2012. Patterson, Tom and Kelso, Nathaniel Vaughn. This line shapefile displays graticules (grid lines of latitude parallels and longitude meridians) for the world at 30 degree intervals. Graticules... North American Cartographic Information Society.

31. 30-Degree Graticule Grid, World, 1:110 million, 2012

2012. Patterson, Tom and Kelso, Nathaniel Vaughn. This line shapefile displays graticules (grid lines of latitude parallels and longitude meridians) for the world at 30 degree intervals. Graticules... North American Cartographic Information Society.

32. 5 Degree Graticule, Northeast United States, 2010

2010. United States. National Oceanic and Atmospheric Administration, United States. Department of Commerce, United States. National Ocean Service, and Coastal Services Center (U.S.). This line shapefile displays graticules (grid lines of latitude parallels and longitude meridians) for the Northeastern United States at 5 degree i... Coastal Services Center (U.S.).

33. 50-Foot Bathymetric Contours: California, Continental Shelf, 2000

2000. California. Department of Fish and Game. Marine Resources Region and National Ocean Service Hydrographic Surveys. This polyline shapefile depicts bathymetric contour line coverage for California that generally covers the continental shelf at 50 foot contour res... California. Department of Fish and Game. Marine Resources Region.

34. 5-Degree Graticule Grid, World, 1:10 million, 2012

2012. Patterson, Tom and Kelso, Nathaniel Vaughn. This line shapefile displays graticules (grid lines of latitude parallels and longitude meridians) for the world at 5 degree intervals. Graticules ... North American Cartographic Information Society.

35. 5-Degree Graticule Grid, World, 1:110 million, 2012

2012. Patterson, Tom and Kelso, Nathaniel Vaughn. This line shapefile displays graticules (grid lines of latitude parallels and longitude meridians) for the world at 5 degree intervals. Graticules ... North American Cartographic Information Society.

36. 5-Meter Contours: California Coast, 2000

2000. California. Department of Fish and Game. Marine Resources Region. This line shapefile depicting bathymetric contour line at 5-meter intervals was created out to the 200 mile Exclusive Economic Zone (EEZ) boundary ... California. Department of Fish and Game. Marine Resources Region.

37. Address Grid, San Joaquin County, California, 2015

2015. San Joaquin County (Calif.). Community Development Department. This line shapefile contains the address grid for streets and avenues in San Joaquin County, California as of July 2015. This layer is part of a co... San Joaquin County (Calif.). Community Development Department.

38. Administrative and political divisions, Botswana, 2013

2013. International Steering Committee for Global Mapping and Botswana. Department of Surveys and Mapping. This line shapefile represents district boundary lines of Botswana. The Global Map version 2 was developed from surveyed data and where the data fo... International Steering Committee for Global Mapping.

39. Administrative Division Line Boundaries, Mongolia, 2010

2010. International Steering Committee for Global Mapping and Mongolia. Ulsyn Geodezi, Zurag Zu̇ĭn Gazar. This line shapefile represents administrative division line boundaries in Mongolia. The Global Map Mongolia version 2 was developed to update Globa... International Steering Committee for Global Mapping.

40. Administrative Division Line Boundaries, Pakistan, 2012

2012. International Steering Committee for Global Mapping and Survey of Pakistan. This line shapefile represents administrative division line boundaries in Pakistan. This layer is part of Global Map version 2. The drainage and Tr... International Steering Committee for Global Mapping.

41. Administrative Division Lines, Dominica, 2013

2013. International Steering Committee for Global Mapping and Dominica. Lands and Surveys Division. This line shapefile represents administrative divisions lines in Dominica. The Global Map Dominica version 2 Boundary layer was developed to update... International Steering Committee for Global Mapping.

42. Administrative Division Lines, Latvia, 2011

2011. International Steering Committee for Global Mapping and Latvian Geospatial Information Agency. This point shapefile represents administrative divisions lines in Latvia. The Global Map Latvia - Boundaries layer accuracy corresponds to scale 1:... International Steering Committee for Global Mapping.

43. Administrative Division Lines, New Zealand, 2014

2014. International Steering Committee for Global Mapping and New Zealand. National Topographic/Hydrographic Authority. This line shapefile represents administrative divisions lines in New Zealand. The Global Map New Zealand version 2 airport and road were developed ... International Steering Committee for Global Mapping.

44. Administrative Division Lines, Papua New Guinea, 2016

2016. International Steering Committee for Global Mapping and Papua New Guinea. National Mapping Bureau. This line shapefile represents administrative divisions lines in Papua New Guinea. This layer is part of Global Map Papua New Guinea version 2.0Glo... International Steering Committee for Global Mapping.

45. Administrative Division Lines, Saint Vincent and the Grenadines, 2016

2016. International Steering Committee for Global Mapping and Saint Vincent and the Grenadines. Lands and Surveys Department. This line shapefile represents roads in Saint Vincent and the Grenadines. This layer is part of Global Map Saint Vincent and the Grenadines versio... International Steering Committee for Global Mapping.

46. Administrative Divisions Line Boundaries, Azerbaijan, 2012

2012. International Steering Committee for Global Mapping and Azerbaijan. State Committee Land and Cartography. This line shapefile represents administrative division line boundaroes in Azerbaijan. This layer is part of Global Map version 2. The Global Map Az... International Steering Committee for Global Mapping.

47. Administrative Divisions (Lines), Bahrain, 2012

2012. International Steering Committee for Global Mapping and Bahrain. Survey and Land Registration Bureau. Topographic Survey Directorate. This line shapefile represents administrative divisions in Bahrain. The Global Map Bahrain version 2 was developed from the Topo 250 data 2012 at 1... International Steering Committee for Global Mapping.

48. Administrative Divisions (Lines), Iran, 2013

2013. International Steering Committee for Global Mapping and Sāzmān-i Naqshahʹbardārī-i Kishvar. This line shapefile represents administrative line boundaries in Iran. The Global Map Iran version 2 was developed from Digital Map 1:250000(1996).... International Steering Committee for Global Mapping.

49. Africa: River Network, 15s resolution, 2007

2007. World Wildlife Fund. This river network (stream lines) map for Africa is derived from the flow direction map for Africa. The flow accumulation map for Africa is used fo... Geological Survey (U.S.).

50. Africa: River Network, 30s resolution, 2007

2007. World Wildlife Fund. This river network (stream lines) map for Africa is derived from the flow direction map for Africa. The flow accumulation map for Africa is used fo... Geological Survey (U.S.).

51. Airport Runways, California, 2011

2011. California. Department of Transportation. Aeronautics Program. This line shapefile represents airport runways in California. These are runways for which the Department of Transportation (Caltrans) HQ Aeronautic... California. Department of Transportation.

52. Airport Runways: United States and Territories, 2011

2011. United States. Bureau of Transportation Statistics and United States. Federal Aviation Administration. The Airport Runways database is a geographic dataset of runways in the United States and its Territories containing information on the physical cha... United States. Bureau of Transportation Statistics.

53. Alma Street, Palo Alto, 2017

2017. Jasper Ridge Biological Preserve (Agency). This line shapefile represents a portion of Alma Street in Palo Alto, California. This layer is part of a collection of GIS data created and manage... Jasper Ridge Biological Preserve (Agency).

54. Alquist Priolo Fault Lines, Monterey County, California, 2015

2015. Monterey County (Calif.). This line shapefile depicts the Alquist Priolo faults within Monterey County, California. These data were created using TIFF images accessed throug... Monterey County (Calif.).

55. Amtrak Thruway Bus System, California, 2013

2013. California. Department of Transportation. This line shapefile represents the Amtrak thruway bus system in California. These buses operate in conjunction with the three Amtrak (Capitol Corri... California. Department of Transportation.

56. Antarctic Claim Limit Lines, 1:10 million (2012)

2012. Patterson, Tom and Kelso, Nathaniel Vaughn. This line shapefile contains the limit lines for territorial land claims made on the continent of Antarctica. These data are represented at 1:10,00... North American Cartographic Information Society.

57. Antarctic Ice Shelf Edges, 1:10 million (2012)

0. Patterson, Tom and Kelso, Nathaniel Vaughn. This polyline shapefile depicts the edges of year-round ice shelves fringing Antarctica. Data was derived from the MODIS 2003-2004 Mosaic of Antarc... North American Cartographic Information Society.

58. Antarctic Ice Shelf Edges, 1:50 million (2012)

2012. Patterson, Tom and Kelso, Nathaniel Vaughn. This polyline shapefile depicts the edges of year-round ice shelves fringing Antarctica. Data was generalized from 10m Antarctic ice shelves derive... North American Cartographic Information Society.

59. Aqueducts, Algeria, 2009

2009. International Steering Committee for Global Mapping and YaʼItyoṗyā kārtā śerā derejet. This line shapefile represents aqueducts and canals in Algeria. These data are part of GlobalMap Algeria version 2.Global Map data were developed u... International Steering Committee for Global Mapping.

60. Aqueducts and Canals, Albania, 2016

2016. International Steering Committee for Global Mapping and Albania. State Authority for Geospatial Information. This line shapefile represents aqueducts and canals in Albania. The Global Map Albania version 2 was developed based on Global Map Specifications ... International Steering Committee for Global Mapping.

61. Aqueducts and Canals, Azerbaijan, 2012

2012. International Steering Committee for Global Mapping and Azerbaijan. State Committee Land and Cartography. This line shapefile represents aqueducts and canals in Azerbaijan. This layer is part of Global Map version 2. The Global Map Azerbaijan version 2 ... International Steering Committee for Global Mapping.

62. Aqueducts and Canals, Cuba, 2016

2016. International Steering Committee for Global Mapping and Oficional Nacional de Hidrografia y Geodesia (ONHG). This line shapefile represents aqueducts and canals in Cuba. Data for Global Map Cuba were transformed from Digital Topographical Map 1:250 000 of... International Steering Committee for Global Mapping.

63. Aqueducts and Canals, Georgia, 2013

2013. International Steering Committee for Global Mapping and Georgia. National Agency for Public Registry. This line shapefile represents aqueducts and canals in Georgia. The Global Map Georgia version 2 was developed from the 2008 Year, data - 1:1 000 ... International Steering Committee for Global Mapping.

64. Aqueducts and Canals, India, 2016

2016. International Steering Committee for Global Mapping and Survey of India. This line shapefile represents aqueducts and canals in India. This layer is part of Global Map version 2.Global Map data were developed under the c... International Steering Committee for Global Mapping.

65. Aqueducts and Canals, Jordan, 2012

2012. International Steering Committee for Global Mapping and Sāzmān-i Naqshahʹbardārī-i Kishvar. This line shapefile represents aqueducts and canals in Jordan. The Global Map Jordan version 1 was developed from Tourist Map of Jordan 2005 at 1:7... International Steering Committee for Global Mapping.

66. Aqueducts and Canals, New Zealand, 2014

2014. International Steering Committee for Global Mapping and New Zealand. National Topographic/Hydrographic Authority. This polygon shapefile represents aqueducts and canals in New Zealand. The Global Map New Zealand version 2 airport and road were developed from t... International Steering Committee for Global Mapping.

67. Aqueducts and Canals, Serbia, 2013

2013. International Steering Committee for Global Mapping and Republic Geodetic Authority (Serbia). This line shapefile represents aqueducts and canals in Serbia. Boundaries of administrative units are collected from different sources (cadastral ... International Steering Committee for Global Mapping.

68. Aqueducts and Canals, Vietnam, 2016

2016. International Steering Committee for Global Mapping and Vietnam. Bộ tài nguyên và môi trường. This line shapefile represents aqueducts and canals in Vietnam. This layer is part of Global Map version 2. Updating the transportation data of ver... International Steering Committee for Global Mapping.

69. Arastradero Road, Palo Alto, 2017

2017. Jasper Ridge Biological Preserve (Agency). This line shapefile represents a portion of Arastradero Road in Palo Alto, California. This layer is part of a collection of GIS data created and m... Jasper Ridge Biological Preserve (Agency).

70. Arcata and Mad River Transit Routes: Humboldt County, California, 2015

2015. von Dohlen, Jerry. This polyline shapefile depicts centerlines for the Arcata and Mad River Transit System Red and Gold Routes in the County of Humboldt, California. ... Humboldt County Planning and Building Department.

71. Arctic Ice Chart, April 1, 1966

1966. Arctic Climate System (ACSYS). This line shapefile contains ice observations in the Arctic region for April 1, 1966. This layer is part of the Arctic Climate System (ACSYS) Histo... Arctic Climate System (ACSYS).

72. Arctic Ice Chart, April 15, 1966

1966. Arctic Climate System (ACSYS). This line shapefile contains ice observations in the Arctic region for April 15, 1966. This layer is part of the Arctic Climate System (ACSYS) Hist... Arctic Climate System (ACSYS).

73. Arctic Ice Chart, April 22, 1966

1966. Arctic Climate System (ACSYS). This line shapefile contains ice observations in the Arctic region for April 22, 1966. This layer is part of the Arctic Climate System (ACSYS) Hist... Arctic Climate System (ACSYS).

74. Arctic Ice Chart, April 29, 1966

1966. Arctic Climate System (ACSYS). This line shapefile contains ice observations in the Arctic region for April 29, 1966. This layer is part of the Arctic Climate System (ACSYS) Hist... Arctic Climate System (ACSYS).

75. Arctic Ice Chart, April 8, 1966

1966. Arctic Climate System (ACSYS). This line shapefile contains ice observations in the Arctic region for April 8, 1966. This layer is part of the Arctic Climate System (ACSYS) Histo... Arctic Climate System (ACSYS).

76. Arctic Ice Chart, August 12, 1580

1580. Arctic Climate System (ACSYS). This line shapefile contains ice observations in the Arctic region for August 12, 1580. This layer is part of the Arctic Climate System (ACSYS) His... Arctic Climate System (ACSYS).

77. Arctic Ice Chart, August 12, 1966

1966. Arctic Climate System (ACSYS). This line shapefile contains ice observations in the Arctic region for August 12, 1966. This layer is part of the Arctic Climate System (ACSYS) His... Arctic Climate System (ACSYS).

78. Arctic Ice Chart, August 19, 1966

1966. Arctic Climate System (ACSYS). This line shapefile contains ice observations in the Arctic region for August 19, 1966. This layer is part of the Arctic Climate System (ACSYS) His... Arctic Climate System (ACSYS).

79. Arctic Ice Chart, August 26, 1966

1966. Arctic Climate System (ACSYS). This line shapefile contains ice observations in the Arctic region for August 26, 1966. This layer is part of the Arctic Climate System (ACSYS) His... Arctic Climate System (ACSYS).

80. Arctic Ice Chart, August 5, 1966

1966. Arctic Climate System (ACSYS). This line shapefile contains ice observations in the Arctic region for August 5, 1966. This layer is part of the Arctic Climate System (ACSYS) Hist... Arctic Climate System (ACSYS).

81. Arctic Ice Chart, December 16, 1966

1966. Arctic Climate System (ACSYS). This line shapefile contains ice observations in the Arctic region for December 16, 1966. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

82. Arctic Ice Chart, December 2, 1966

1966. Arctic Climate System (ACSYS). This line shapefile contains ice observations in the Arctic region for December 2 1966. This layer is part of the Arctic Climate System (ACSYS) His... Arctic Climate System (ACSYS).

83. Arctic Ice Chart, December 23, 1966

1966. Arctic Climate System (ACSYS). This line shapefile contains ice observations in the Arctic region for December 23, 1966. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

84. Arctic Ice Chart, December 30, 1966

1966. Arctic Climate System (ACSYS). This line shapefile contains ice observations in the Arctic region for December 30, 1966. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

85. Arctic Ice Chart, December 9, 1966

1966. Arctic Climate System (ACSYS). This line shapefile contains ice observations in the Arctic region for December 9, 1966. This layer is part of the Arctic Climate System (ACSYS) Hi... Arctic Climate System (ACSYS).

86. Arctic Ice Chart, February 11, 1966

1966. Arctic Climate System (ACSYS). This line shapefile contains ice observations in the Arctic region for February 11, 1966. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

87. Arctic Ice Chart, February 18, 1966

1966. Arctic Climate System (ACSYS). This line shapefile contains ice observations in the Arctic region for February 18, 1966. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

88. Arctic Ice Chart, February 25, 1966

1966. Arctic Climate System (ACSYS). This line shapefile contains ice observations in the Arctic region for February 25, 1966. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

89. Arctic Ice Chart, February 4, 1966

1966. Arctic Climate System (ACSYS). This line shapefile contains ice observations in the Arctic region for February 4, 1966. This layer is part of the Arctic Climate System (ACSYS) Hi... Arctic Climate System (ACSYS).

90. Arctic Ice Chart, January 14, 1966

1966. Arctic Climate System (ACSYS). This line shapefile contains ice observations in the Arctic region for January 14, 1966. This layer is part of the Arctic Climate System (ACSYS) Hi... Arctic Climate System (ACSYS).

91. Arctic Ice Chart, January 21, 1966

1966. Arctic Climate System (ACSYS). This line shapefile contains ice observations in the Arctic region for January 21, 1966. This layer is part of the Arctic Climate System (ACSYS) Hi... Arctic Climate System (ACSYS).

92. Arctic Ice Chart, January 28, 1966

1966. Arctic Climate System (ACSYS). This line shapefile contains ice observations in the Arctic region for January 28, 1966. This layer is part of the Arctic Climate System (ACSYS) Hi... Arctic Climate System (ACSYS).

93. Arctic Ice Chart, January 7, 1966

1966. Arctic Climate System (ACSYS). This line shapefile contains ice observations in the Arctic region for January 7, 1966. This layer is part of the Arctic Climate System (ACSYS) His... Arctic Climate System (ACSYS).

94. Arctic Ice Chart, July 1, 1966

1966. Arctic Climate System (ACSYS). This line shapefile contains ice observations in the Arctic region for July 1, 1966. This layer is part of the Arctic Climate System (ACSYS) Histor... Arctic Climate System (ACSYS).

95. Arctic Ice Chart, July 15, 1556

1556. Arctic Climate System (ACSYS). This line shapefile contains ice observations in the Arctic region for July 15, 1556. This layer is part of the Arctic Climate System (ACSYS) Histo... Arctic Climate System (ACSYS).

96. Arctic Ice Chart, July 15, 1580

1580. Arctic Climate System (ACSYS). This line shapefile contains ice observations in the Arctic region for July 15, 1580. This layer is part of the Arctic Climate System (ACSYS) Histo... Arctic Climate System (ACSYS).

97. Arctic Ice Chart, July 15, 1966

1966. Arctic Climate System (ACSYS). This line shapefile contains ice observations in the Arctic region for July 15, 1966. This layer is part of the Arctic Climate System (ACSYS) Histo... Arctic Climate System (ACSYS).

98. Arctic Ice Chart, July 22, 1966

1966. Arctic Climate System (ACSYS). This line shapefile contains ice observations in the Arctic region for July 22, 1966. This layer is part of the Arctic Climate System (ACSYS) Histo... Arctic Climate System (ACSYS).

99. Arctic Ice Chart, July 29, 1966

1966. Arctic Climate System (ACSYS). This line shapefile contains ice observations in the Arctic region for July 29, 1966. This layer is part of the Arctic Climate System (ACSYS) Histo... Arctic Climate System (ACSYS).

100. Arctic Ice Chart, July 8, 1966

1966. Arctic Climate System (ACSYS). This line shapefile contains ice observations in the Arctic region for July 8, 1966. This layer is part of the Arctic Climate System (ACSYS) Histor... Arctic Climate System (ACSYS).