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1. Lakes: Afghanistan, 1990-2004

Polygon Stanford University Restricted content
1990. Afghanistan Information Management Service. This polygon shapefile represents the lakes of Afghanistan from the United States Defense Mapping Agency (USDMA) 1:100,000 scale topo maps. This la... Afghanistan Information Management Service.

2. Major Basins, Main Rivers, and Branch River Watersheds of Afghanistan

Polygon Stanford University Restricted content
1990. Afghanistan Information Management Service. This polygon shapefile shows the main rivers, basoins and watersheds of Afghanistan with province district boundaries. This dataset is intended for... Afghanistan Information Management Service.

3. Major Rivers: Afghanistan, 1990-2004

Polygon Stanford University Restricted content
1990. Afghanistan Information Management Service. This polygon shapefile represents the river features of the major river regions of Afghanistan for 2005. This layer is part of the Topographic Maps... Afghanistan Information Management Service.

4. Rivers: Afghanistan, 1990-2004

Line Stanford University Restricted content
1990. United States. Agency for International Development. This line shapefile depicts river features of Afghanistan from 1990 until 2004. These data were created by the United States Defense Mapping Agency... Afghanistan Information Management Service.

5. China County Boundaries with 1990 Population Census Data (Part A)

Polygon Columbia University Restricted content
1990. University of Michigan. China Data Center. and Beijing Hua tong ren shi chang xin xi you xian ze ren gong si. REMOTE DOWNLOAD NOT AVAILABLE - please contact data@library.columbia.edu for access. China County Boundaries with 1990 Population Census Data (Part... All China Marketing Research Co.

6. China County Boundaries with 1990 Population Census Data (Part B)

Polygon Columbia University Restricted content
1990. University of Michigan. China Data Center. and Beijing Hua tong ren shi chang xin xi you xian ze ren gong si. REMOTE DOWNLOAD NOT AVAILABLE - please contact data@library.columbia.edu for access. China County Boundaries with 1990 Population Census Data (Part... All China Marketing Research Co.

7. China Province Boundaries, 1990

Polygon Columbia University Restricted content
1990. University of Michigan. China Data Center. and Beijing Hua tong ren shi chang xin xi you xian ze ren gong si. REMOTE DOWNLOAD NOT AVAILABLE - please contact data@library.columbia.edu for access. China Province Boundaries, 1990 is a polygon theme representin... All China Marketing Research Co.

8. Tibet County Boundary and Census Data (Part A), 1990

Polygon Columbia University Restricted content
1990. University of Michigan. China Data Center. REMOTE DOWNLOAD NOT AVAILABLE - please contact data@library.columbia.edu for access. Tibet County Boundary and Census Data (Part A), 1990 is a poly... All China Marketing Research Co.

9. Tibet County Boundary and Census Data (Part B), 1990

Polygon Columbia University Restricted content
1990. University of Michigan. China Data Center. REMOTE DOWNLOAD NOT AVAILABLE - please contact data@library.columbia.edu for access. Tibet County Boundary and Census Data (Part B), 1990 is a poly... All China Marketing Research Co.

10. Tibet Province Boundary, 1990

Polygon Columbia University Restricted content
1990. University of Michigan. China Data Center. REMOTE DOWNLOAD NOT AVAILABLE - please contact data@library.columbia.edu for access. Tibet 1990 Province Boundary is a polygon theme representing T... All China Marketing Research Co.

11. China historical 1990 county population census data - Part A

Polygon Harvard University Restricted content
1990. Beijing Hua tong ren shi chang xin xi you xian ze ren gong si and University of Michigan. China Data Center. This polygon datalayer includes China county boundaries with 1990 population census data. It is one (Part A) of two layers containing the entire 19... All China Marketing Research Co. ; distributed by University of Michigan China Data Center, Ann Arbor, Mich.

12. China historical 1990 county population census data - Part B

Polygon Harvard University Restricted content
1990. Beijing Hua tong ren shi chang xin xi you xian ze ren gong si and University of Michigan. China Data Center. This polygon datalayer includes China county boundaries with 1990 population census data. It is one (Part B) of two layers containing the entire 19... All China Marketing Research Co. ; distributed by University of Michigan China Data Center, Ann Arbor, Mich.

13. China historical 1990 province boundaries

Polygon Harvard University Restricted content
1990. Beijing Hua tong ren shi chang xin xi you xian ze ren gong si and University of Michigan. China Data Center. This polygon datalayer shows China province boundaries for 1990. The 1990 administrative maps were primarily based on the 'The Administrative Maps ... All China Marketing Research Co. ; distributed by University of Michigan China Data Center, Ann Arbor, Mich.

14. Arctic Ice Chart, April 17, 1990

Polygon Stanford University Public content
1990. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 17, 1990. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

15. Arctic Ice Chart, April 2, 1990

Polygon Stanford University Public content
1990. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 2, 1990. This layer is part of the Arctic Climate System (ACSYS) Hi... Arctic Climate System (ACSYS).

16. Arctic Ice Chart, April 2, 1991

Polygon Stanford University Public content
1991. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 2, 1991. This layer is part of the Arctic Climate System (ACSYS) Hi... Arctic Climate System (ACSYS).

17. Arctic Ice Chart, April 22, 1991

Polygon Stanford University Public content
1991. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 22, 1991. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

18. Arctic Ice Chart, April 23, 1990

Polygon Stanford University Public content
1990. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 23, 1990. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

19. Arctic Ice Chart, April 29, 1991

Polygon Stanford University Public content
1991. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 29, 1991. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

20. Arctic Ice Chart, April 30, 1990

Polygon Stanford University Public content
1990. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 30, 1990. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

21. Arctic Ice Chart, April 8, 1991

Polygon Stanford University Public content
1991. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 8, 1991. This layer is part of the Arctic Climate System (ACSYS) Hi... Arctic Climate System (ACSYS).

22. Arctic Ice Chart, August 12, 1991

Polygon Stanford University Public content
1991. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for August 12, 1991. This layer is part of the Arctic Climate System (ACSYS) ... Arctic Climate System (ACSYS).

23. Arctic Ice Chart, August 13, 1990

Polygon Stanford University Public content
1990. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for August 13, 1990. This layer is part of the Arctic Climate System (ACSYS) ... Arctic Climate System (ACSYS).

24. Arctic Ice Chart, August 19, 1991

Polygon Stanford University Public content
1991. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for August 19, 1991. This layer is part of the Arctic Climate System (ACSYS) ... Arctic Climate System (ACSYS).

25. Arctic Ice Chart, August 20, 1990

Polygon Stanford University Public content
1990. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for August 20, 1990. This layer is part of the Arctic Climate System (ACSYS) ... Arctic Climate System (ACSYS).

26. Arctic Ice Chart, August 26, 1991

Polygon Stanford University Public content
1991. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for August 26, 1991. This layer is part of the Arctic Climate System (ACSYS) ... Arctic Climate System (ACSYS).

27. Arctic Ice Chart, August 27, 1990

Polygon Stanford University Public content
1990. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for August 27, 1990. This layer is part of the Arctic Climate System (ACSYS) ... Arctic Climate System (ACSYS).

28. Arctic Ice Chart, August 5, 1991

Polygon Stanford University Public content
1991. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for August 5, 1991. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

29. Arctic Ice Chart, August 6, 1990

Polygon Stanford University Public content
1990. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for August 6, 1990. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

30. Arctic Ice Chart, December 10, 1990

Polygon Stanford University Public content
1990. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for December 10, 1990. This layer is part of the Arctic Climate System (ACSYS... Arctic Climate System (ACSYS).

31. Arctic Ice Chart, December 16, 1991

Polygon Stanford University Public content
1991. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for December 16, 1991. This layer is part of the Arctic Climate System (ACSYS... Arctic Climate System (ACSYS).

32. Arctic Ice Chart, December 17, 1990

Polygon Stanford University Public content
1990. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for December 17, 1990. This layer is part of the Arctic Climate System (ACSYS... Arctic Climate System (ACSYS).

33. Arctic Ice Chart, December 2, 1991

Polygon Stanford University Public content
1991. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for December 2, 1991. This layer is part of the Arctic Climate System (ACSYS)... Arctic Climate System (ACSYS).

34. Arctic Ice Chart, December 23, 1991

Polygon Stanford University Public content
1991. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for December 23, 1991. This layer is part of the Arctic Climate System (ACSYS... Arctic Climate System (ACSYS).

35. Arctic Ice Chart, December 24, 1990

Polygon Stanford University Public content
1990. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for December 24, 1990. This layer is part of the Arctic Climate System (ACSYS... Arctic Climate System (ACSYS).

36. Arctic Ice Chart, December 3, 1990

Polygon Stanford University Public content
1990. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for December 3, 1990. This layer is part of the Arctic Climate System (ACSYS)... Arctic Climate System (ACSYS).

37. Arctic Ice Chart, December 30, 1991

Polygon Stanford University Public content
1991. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for December 30, 1991. This layer is part of the Arctic Climate System (ACSYS... Arctic Climate System (ACSYS).

38. Arctic Ice Chart, December 31, 1990

Polygon Stanford University Public content
1990. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for December 31, 1990. This layer is part of the Arctic Climate System (ACSYS... Arctic Climate System (ACSYS).

39. Arctic Ice Chart, December 9, 1991

Polygon Stanford University Public content
1991. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for December 9, 1991. This layer is part of the Arctic Climate System (ACSYS)... Arctic Climate System (ACSYS).

40. Arctic Ice Chart, February 11, 1991

Polygon Stanford University Public content
1991. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for February 11, 1991. This layer is part of the Arctic Climate System (ACSYS... Arctic Climate System (ACSYS).

41. Arctic Ice Chart, February 12, 1990

Polygon Stanford University Public content
1990. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for February 12, 1990. This layer is part of the Arctic Climate System (ACSYS... Arctic Climate System (ACSYS).

42. Arctic Ice Chart, February 19, 1990

Polygon Stanford University Public content
1990. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for February 19, 1990. This layer is part of the Arctic Climate System (ACSYS... Arctic Climate System (ACSYS).

43. Arctic Ice Chart, February 25, 1991

Polygon Stanford University Public content
1991. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for February 25, 1991. This layer is part of the Arctic Climate System (ACSYS... Arctic Climate System (ACSYS).

44. Arctic Ice Chart, February 26, 1990

Polygon Stanford University Public content
1990. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for February 26, 1990. This layer is part of the Arctic Climate System (ACSYS... Arctic Climate System (ACSYS).

45. Arctic Ice Chart, February 4, 1991

Polygon Stanford University Public content
1991. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for February 4, 1991. This layer is part of the Arctic Climate System (ACSYS)... Arctic Climate System (ACSYS).

46. Arctic Ice Chart, February 5, 1990

Polygon Stanford University Public content
1990. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for February 5, 1990. This layer is part of the Arctic Climate System (ACSYS)... Arctic Climate System (ACSYS).

47. Arctic Ice Chart, January 1, 1990

Polygon Stanford University Public content
1990. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for January 1, 1990. This layer is part of the Arctic Climate System (ACSYS) ... Arctic Climate System (ACSYS).

48. Arctic Ice Chart, January 14, 1991

Polygon Stanford University Public content
1991. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for January 14, 1991. This layer is part of the Arctic Climate System (ACSYS)... Arctic Climate System (ACSYS).

49. Arctic Ice Chart, January 15, 1990

Polygon Stanford University Public content
1990. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for January 15, 1990. This layer is part of the Arctic Climate System (ACSYS)... Arctic Climate System (ACSYS).

50. Arctic Ice Chart, January 21, 1991

Polygon Stanford University Public content
1991. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for January 21, 1991. This layer is part of the Arctic Climate System (ACSYS)... Arctic Climate System (ACSYS).