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11. Europe - Major Rivers

Date:
1999
Collection:
ESRI Data and Maps 1999

12. Cultural Operations - 1952

Date:
1952
Collection:
Duke Forest GIS Layers

13. Mexico - Major Cities

Date:
1996
Collection:
ESRI Data and Maps 1996

14. United States - States (generalized)

Date:
1999
Collection:
ESRI Data and Maps 1999

15. Canada - Major Cities

Date:
1996
Collection:
ESRI Data and Maps 1996

16. Canada - Major Roads

Date:
1996
Collection:
ESRI Data and Maps 1996

17. Mexico - Routes

Date:
1999
Collection:
ESRI Data and Maps 1999

18. ESRI Data and Maps 1999

Date:
1999
Format:
ZIP

19. Disturbances - 1944

Date:
1944
Collection:
Duke Forest GIS Layers

20. Durham Aerial Imagery (USDA) - 1966

Date:
October 21, 1966; October 30, 1966; October 31, 1966; January 24, 1967
Collection:
Durham Aerial Imagery (USDA)