Author/Creator
- CE Info Systems (P) Ltd7
- Rhea, Susan7
- Sargent, Kenneth A.7
- University of Arizona. Bureau of Geology and Mineral Technology7
- Arkansas Geological Commission6
- Bedinger, M. S.6
- Farrar, C. D. (Christopher D.)6
- Gardner, James V.6
- Langer, William H.6
- Nevada Bureau of Mines and Geology6
- Roggensack, Kurt6
- D'Agostino, John P.5
- Hills, Francis Allan5
- Indian Map Service5
- International Publications (Firm : Delhi, India)5
- Lesure, Frank Gardner, 1927-5
- Levings, Gary W.5
- New Mexico. Bureau of Mines and Mineral Resources5
- Puerto Rico. Department of Natural Resources5
- TTK Healthcare Limited. Publications Division5