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1. Arctic Ice Chart, April 17, 1979

1979. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 17, 1979. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

2. Arctic Ice Chart, April 19, 1979

1979. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 19, 1979. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

3. Arctic Ice Chart, April 2, 1979

1979. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 2, 1979. This layer is part of the Arctic Climate System (ACSYS) Hi... Arctic Climate System (ACSYS).

4. Arctic Ice Chart, April 23, 1979

1979. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 23, 1979. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

5. Arctic Ice Chart, April 26, 1979

1979. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 26, 1979. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

6. Arctic Ice Chart, April 30, 1979

1979. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 30, 1979. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

7. Arctic Ice Chart, April 5, 1979

1979. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 5, 1979. This layer is part of the Arctic Climate System (ACSYS) Hi... Arctic Climate System (ACSYS).

8. Arctic Ice Chart, April 9, 1979

1979. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 9, 1979. This layer is part of the Arctic Climate System (ACSYS) Hi... Arctic Climate System (ACSYS).

9. Arctic Ice Chart, August 1, 1979

1979. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for August 1, 1979. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

10. Arctic Ice Chart, August 14, 1979

1979. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for August 14, 1979. This layer is part of the Arctic Climate System (ACSYS) ... Arctic Climate System (ACSYS).

11. Arctic Ice Chart, August 16, 1979

1979. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for August 16, 1979. This layer is part of the Arctic Climate System (ACSYS) ... Arctic Climate System (ACSYS).

12. Arctic Ice Chart, August 20, 1979

1979. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for August 20, 1979. This layer is part of the Arctic Climate System (ACSYS) ... Arctic Climate System (ACSYS).

13. Arctic Ice Chart, August 23, 1979

1979. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for August 23, 1979. This layer is part of the Arctic Climate System (ACSYS) ... Arctic Climate System (ACSYS).

14. Arctic Ice Chart, August 27, 1979

1979. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for August 27, 1979. This layer is part of the Arctic Climate System (ACSYS) ... Arctic Climate System (ACSYS).

15. Arctic Ice Chart, August 30, 1979

1979. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for August 30, 1979. This layer is part of the Arctic Climate System (ACSYS) ... Arctic Climate System (ACSYS).

16. Arctic Ice Chart, August 6, 1979

1979. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for August 6, 1979. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

17. Arctic Ice Chart, August 9, 1979

1979. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for August 9, 1979. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

18. Arctic Ice Chart, December 10, 1979

1979. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for December 10, 1979. This layer is part of the Arctic Climate System (ACSYS... Arctic Climate System (ACSYS).

19. Arctic Ice Chart, December 13, 1979

1979. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for December 13, 1979. This layer is part of the Arctic Climate System (ACSYS... Arctic Climate System (ACSYS).

20. Arctic Ice Chart, December 17, 1979

1979. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for December 17, 1979. This layer is part of the Arctic Climate System (ACSYS... Arctic Climate System (ACSYS).

21. Arctic Ice Chart, December 20, 1979

1979. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for December 20, 1979. This layer is part of the Arctic Climate System (ACSYS... Arctic Climate System (ACSYS).

22. Arctic Ice Chart, December 27, 1979

1979. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for December 27, 1979. This layer is part of the Arctic Climate System (ACSYS... Arctic Climate System (ACSYS).

23. Arctic Ice Chart, December 3, 1979

1979. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for December 3, 1979. This layer is part of the Arctic Climate System (ACSYS)... Arctic Climate System (ACSYS).

24. Arctic Ice Chart, December 6, 1979

1979. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for December 6, 1979. This layer is part of the Arctic Climate System (ACSYS)... Arctic Climate System (ACSYS).

25. Arctic Ice Chart, February 1, 1979

1979. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for February 1, 1979. This layer is part of the Arctic Climate System (ACSYS)... Arctic Climate System (ACSYS).

26. Arctic Ice Chart, February 11, 1979

1979. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for February 11, 1979. This layer is part of the Arctic Climate System (ACSYS... Arctic Climate System (ACSYS).

27. Arctic Ice Chart, February 15, 1979

1979. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for February 15, 1979. This layer is part of the Arctic Climate System (ACSYS... Arctic Climate System (ACSYS).

28. Arctic Ice Chart, February 22, 1979

1979. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for February 22, 1979. This layer is part of the Arctic Climate System (ACSYS... Arctic Climate System (ACSYS).

29. Arctic Ice Chart, February 26, 1979

1979. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for February 26, 1979. This layer is part of the Arctic Climate System (ACSYS... Arctic Climate System (ACSYS).

30. Arctic Ice Chart, February 5, 1979

1979. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for February 5, 1979. This layer is part of the Arctic Climate System (ACSYS)... Arctic Climate System (ACSYS).

31. Arctic Ice Chart, February 7, 1979

1979. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for February 7, 1979. This layer is part of the Arctic Climate System (ACSYS)... Arctic Climate System (ACSYS).

32. Arctic Ice Chart, January 11, 1979

1979. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for January 11, 1979. This layer is part of the Arctic Climate System (ACSYS)... Arctic Climate System (ACSYS).

33. Arctic Ice Chart, January 15, 1979

1979. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for January 15, 1979. This layer is part of the Arctic Climate System (ACSYS)... Arctic Climate System (ACSYS).

34. Arctic Ice Chart, January 18, 1979

1979. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for January 18, 1979. This layer is part of the Arctic Climate System (ACSYS)... Arctic Climate System (ACSYS).

35. Arctic Ice Chart, January 22, 1979

1979. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for January 22, 1979. This layer is part of the Arctic Climate System (ACSYS)... Arctic Climate System (ACSYS).

36. Arctic Ice Chart, January 25, 1979

1979. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for January 25, 1979. This layer is part of the Arctic Climate System (ACSYS)... Arctic Climate System (ACSYS).

37. Arctic Ice Chart, January 29, 1979

1979. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for January 29, 1979. This layer is part of the Arctic Climate System (ACSYS)... Arctic Climate System (ACSYS).

38. Arctic Ice Chart, January 3, 1979

1979. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for January 3, 1979. This layer is part of the Arctic Climate System (ACSYS) ... Arctic Climate System (ACSYS).

39. Arctic Ice Chart, January 8, 1979

1979. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for January 8, 1979. This layer is part of the Arctic Climate System (ACSYS) ... Arctic Climate System (ACSYS).

40. Arctic Ice Chart, July 12, 1979

1979. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for July 12, 1979. This layer is part of the Arctic Climate System (ACSYS) Hi... Arctic Climate System (ACSYS).

41. Arctic Ice Chart, July 16, 1979

1979. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for July 16, 1979. This layer is part of the Arctic Climate System (ACSYS) Hi... Arctic Climate System (ACSYS).

42. Arctic Ice Chart, July 19, 1979

1979. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for July 19, 1979. This layer is part of the Arctic Climate System (ACSYS) Hi... Arctic Climate System (ACSYS).

43. Arctic Ice Chart, July 2, 1979

1979. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for July 2, 1979. This layer is part of the Arctic Climate System (ACSYS) His... Arctic Climate System (ACSYS).

44. Arctic Ice Chart, July 23, 1979

1979. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for July 23, 1979. This layer is part of the Arctic Climate System (ACSYS) Hi... Arctic Climate System (ACSYS).

45. Arctic Ice Chart, July 26, 1979

1979. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for July 26, 1979. This layer is part of the Arctic Climate System (ACSYS) Hi... Arctic Climate System (ACSYS).

46. Arctic Ice Chart, July 30, 1979

1979. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for July 30, 1979. This layer is part of the Arctic Climate System (ACSYS) Hi... Arctic Climate System (ACSYS).

47. Arctic Ice Chart, July 5, 1979

1979. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for July 5, 1979. This layer is part of the Arctic Climate System (ACSYS) His... Arctic Climate System (ACSYS).

48. Arctic Ice Chart, July 9, 1979

1979. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for July 9, 1979. This layer is part of the Arctic Climate System (ACSYS) His... Arctic Climate System (ACSYS).

49. Arctic Ice Chart, June 11, 1979

1979. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for June 11, 1979. This layer is part of the Arctic Climate System (ACSYS) Hi... Arctic Climate System (ACSYS).

50. Arctic Ice Chart, June 14, 1979

1979. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for June 14, 1979. This layer is part of the Arctic Climate System (ACSYS) Hi... Arctic Climate System (ACSYS).

51. Arctic Ice Chart, June 17, 1979

1979. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for June 17, 1979. This layer is part of the Arctic Climate System (ACSYS) Hi... Arctic Climate System (ACSYS).

52. Arctic Ice Chart, June 21, 1979

1979. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for June 21, 1979. This layer is part of the Arctic Climate System (ACSYS) Hi... Arctic Climate System (ACSYS).

53. Arctic Ice Chart, June 25, 1979

1979. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for June 25, 1979. This layer is part of the Arctic Climate System (ACSYS) Hi... Arctic Climate System (ACSYS).

54. Arctic Ice Chart, June 28, 1979

1979. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for June 28, 1979. This layer is part of the Arctic Climate System (ACSYS) Hi... Arctic Climate System (ACSYS).

55. Arctic Ice Chart, June 5, 1979

1979. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for June 5, 1979. This layer is part of the Arctic Climate System (ACSYS) His... Arctic Climate System (ACSYS).

56. Arctic Ice Chart, June 7, 1979

1979. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for June 7, 1979. This layer is part of the Arctic Climate System (ACSYS) His... Arctic Climate System (ACSYS).

57. Arctic Ice Chart, March 1, 1979

1979. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for March 1, 1979. This layer is part of the Arctic Climate System (ACSYS) Hi... Arctic Climate System (ACSYS).

58. Arctic Ice Chart, March 12, 1979

1979. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for March 12, 1979. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

59. Arctic Ice Chart, March 15, 1979

1979. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for March 15, 1979. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

60. Arctic Ice Chart, March 19, 1979

1979. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for March 19, 1979. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

61. Arctic Ice Chart, March 22, 1979

1979. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for March 22, 1979. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

62. Arctic Ice Chart, March 26, 1979

1979. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for March 26, 1979. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

63. Arctic Ice Chart, March 29, 1979

1979. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for March 29, 1979. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

64. Arctic Ice Chart, March 5, 1979

1979. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for March 5, 1979. This layer is part of the Arctic Climate System (ACSYS) Hi... Arctic Climate System (ACSYS).

65. Arctic Ice Chart, March 8, 1979

1979. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for March 8, 1979. This layer is part of the Arctic Climate System (ACSYS) Hi... Arctic Climate System (ACSYS).

66. Arctic Ice Chart, May 10, 1979

1979. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for May 10, 1979. This layer is part of the Arctic Climate System (ACSYS) His... Arctic Climate System (ACSYS).

67. Arctic Ice Chart, May 14, 1979

1979. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for May 14, 1979. This layer is part of the Arctic Climate System (ACSYS) His... Arctic Climate System (ACSYS).

68. Arctic Ice Chart, May 16, 1979

1979. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for May 16, 1979. This layer is part of the Arctic Climate System (ACSYS) His... Arctic Climate System (ACSYS).

69. Arctic Ice Chart, May 2, 1979

1979. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for May 2, 1979. This layer is part of the Arctic Climate System (ACSYS) Hist... Arctic Climate System (ACSYS).

70. Arctic Ice Chart, May 21, 1979

1979. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for May 21, 1979. This layer is part of the Arctic Climate System (ACSYS) His... Arctic Climate System (ACSYS).

71. Arctic Ice Chart, May 23, 1979

1979. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for May 23, 1979. This layer is part of the Arctic Climate System (ACSYS) His... Arctic Climate System (ACSYS).

72. Arctic Ice Chart, May 28, 1979

1979. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for May 28, 1979. This layer is part of the Arctic Climate System (ACSYS) His... Arctic Climate System (ACSYS).

73. Arctic Ice Chart, May 31, 1979

1979. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for May 31, 1979. This layer is part of the Arctic Climate System (ACSYS) His... Arctic Climate System (ACSYS).

74. Arctic Ice Chart, May 7, 1979

1979. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for May 7, 1979. This layer is part of the Arctic Climate System (ACSYS) Hist... Arctic Climate System (ACSYS).

75. Arctic Ice Chart, November 12, 1979

1979. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for November 12, 1979. This layer is part of the Arctic Climate System (ACSYS... Arctic Climate System (ACSYS).

76. Arctic Ice Chart, November 15, 1979

1979. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for November 15, 1979. This layer is part of the Arctic Climate System (ACSYS... Arctic Climate System (ACSYS).

77. Arctic Ice Chart, November 19, 1979

1979. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for November 19, 1979. This layer is part of the Arctic Climate System (ACSYS... Arctic Climate System (ACSYS).

78. Arctic Ice Chart, November 26, 1979

1979. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for November 26, 1979. This layer is part of the Arctic Climate System (ACSYS... Arctic Climate System (ACSYS).

79. Arctic Ice Chart, November 29, 1979

1979. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for November 29, 1979. This layer is part of the Arctic Climate System (ACSYS... Arctic Climate System (ACSYS).

80. Arctic Ice Chart, November 5, 1979

1979. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for November 5, 1979. This layer is part of the Arctic Climate System (ACSYS)... Arctic Climate System (ACSYS).

81. Arctic Ice Chart, November 8, 1979

1979. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for November 8, 1979. This layer is part of the Arctic Climate System (ACSYS)... Arctic Climate System (ACSYS).

82. Arctic Ice Chart, October 1, 1979

1979. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for October 1, 1979. This layer is part of the Arctic Climate System (ACSYS) ... Arctic Climate System (ACSYS).

83. Arctic Ice Chart, October 11, 1979

1979. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for October 11, 1979. This layer is part of the Arctic Climate System (ACSYS)... Arctic Climate System (ACSYS).

84. Arctic Ice Chart, October 15, 1979

1979. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for October 15, 1979. This layer is part of the Arctic Climate System (ACSYS)... Arctic Climate System (ACSYS).

85. Arctic Ice Chart, October 18, 1979

1979. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for October 18, 1979. This layer is part of the Arctic Climate System (ACSYS)... Arctic Climate System (ACSYS).

86. Arctic Ice Chart, October 22, 1979

1979. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for October 22, 1979. This layer is part of the Arctic Climate System (ACSYS)... Arctic Climate System (ACSYS).

87. Arctic Ice Chart, October 25, 1979

1979. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for October 25, 1979. This layer is part of the Arctic Climate System (ACSYS)... Arctic Climate System (ACSYS).

88. Arctic Ice Chart, October 29, 1979

1979. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for October 29, 1979. This layer is part of the Arctic Climate System (ACSYS)... Arctic Climate System (ACSYS).

89. Arctic Ice Chart, October 31, 1979

1979. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for October 31, 1979. This layer is part of the Arctic Climate System (ACSYS)... Arctic Climate System (ACSYS).

90. Arctic Ice Chart, October 4, 1979

1979. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for October 4, 1979. This layer is part of the Arctic Climate System (ACSYS) ... Arctic Climate System (ACSYS).

91. Arctic Ice Chart, October 8, 1979

1979. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for October 8, 1979. This layer is part of the Arctic Climate System (ACSYS) ... Arctic Climate System (ACSYS).

92. Arctic Ice Chart, September 10, 1979

1979. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for September 10, 1979. This layer is part of the Arctic Climate System (ACSY... Arctic Climate System (ACSYS).

93. Arctic Ice Chart, September 12, 1979

1979. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for September 12, 1979. This layer is part of the Arctic Climate System (ACSY... Arctic Climate System (ACSYS).

94. Arctic Ice Chart, September 17, 1979

1979. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for September 17, 1979. This layer is part of the Arctic Climate System (ACSY... Arctic Climate System (ACSYS).

95. Arctic Ice Chart, September 20, 1979

1979. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for September 20, 1979. This layer is part of the Arctic Climate System (ACSY... Arctic Climate System (ACSYS).

96. Arctic Ice Chart, September 25, 1979

1979. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for September 25, 1979. This layer is part of the Arctic Climate System (ACSY... Arctic Climate System (ACSYS).

97. Arctic Ice Chart, September 27, 1979

1979. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for September 27, 1979. This layer is part of the Arctic Climate System (ACSY... Arctic Climate System (ACSYS).

98. Arctic Ice Chart, September 3, 1979

1979. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for September 3, 1979. This layer is part of the Arctic Climate System (ACSYS... Arctic Climate System (ACSYS).

99. Arctic Ice Chart, September 6, 1979

1979. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for September 6, 1979. This layer is part of the Arctic Climate System (ACSYS... Arctic Climate System (ACSYS).