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- Kentucky Geological Survey10
- U.S. Geological Survey8
- Kentucky Geological Survey,A. Hoen & Co.7
- Kentucky Geological Survey,Williams & Heintz Co.7
- U.S. Geological Survey ; For sale by Map Distribution4
- U.S. Geological Survey ; For sale by U.S. Geological Survey, Information Services4
- publisher not identified4
- Kentucky Geological Survey,Williams-Webb Co.3
- The Survey3
- The Survey ; For sale by Map Distribution3
- Comitato per le scienze geologiche e minerarie,Garfica Editoriale Cartografica S.p.A.2
- Dept. of the Interior, U.S. Geological Survey2
- Geological Society of America2
- Geological Survey of Japan2
- Maine Geological Survey2
- Ministerstvo geologii Kazkhskoĭ SSR,Moskovskii gosudarstvennyi universitet im. M. V. Lomonosova2
- The Survey ; For sale by Branch of Distribution2
- U.S. Geological Survey ; For sale by U.S. Geological Survey Information Services2
- United States Geological Survey2
- West Virginia Geological and Economic Survey2
