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Start Over You searched for: Author/Creator Pettijohn, Robert A. Remove constraint Author/Creator: Pettijohn, Robert A. Collection Water-resources investigations report Remove constraint Collection: Water-resources investigations report Collection A contribution of the Regional Aquifer-System Analysis Program Remove constraint Collection: A contribution of the Regional Aquifer-System Analysis Program Resource Type Map Remove constraint Resource Type: Map Publication/Creation Date 1993 Remove constraint Publication/Creation Date: 1993 Subject Aquifers Remove constraint Subject: Aquifers

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