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- The Survey8
- The Survey ; For sale by Branch of Information Services3
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- U.S. Geological Survey ; For sale by U.S. Geological Survey, Information Services2
- The Survey ; For sale by Map Distribution1
- The Survey ; For sale by U.S. Geological Survey Information Services1
- U.S. Geological Survey1
- U.S. Geological Survey ; For sale by U.S. Geological Survey Information Services1
- Università di Bologna, Dipartimento di Scienze della Terra e Geologico-Ambientali,S.E.L.C.A.1
