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Author/Creator
- Geological Survey (U.S.)4
- Afghanistan. Department of Geological Survey2
- Afghanistan. Idārah-i ʻUmūmī-i Jiyūdīzī va Kārtūgrāfī2
- Bohannon, Robert G.2
- United States. Agency for International Development2
- Alaska. Department of Natural Resources1
- Day, Warren C.1
- Sherrod, David R.1
- Sinton, John M.1
- Teck Cominco Ltd1
- Watkins, Sarah E.1