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((ars OR "agricultural research") AND benchmark?) OR ("beasley lake" OR "choptank river" OR "goodwin creek" OR "leon river" OR "little river" OR "north walnut creek" OR "st. joseph river" OR "salt river" OR "mark twain" OR ("south fork" AND "iowa") OR "town brook" OR "upper big Walnut creek" OR "upper washita river" OR "yalobusha river" OR "mahantango creek" OR "goodwater creek")
Remove constraint All Fields: ((ars OR "agricultural research") AND benchmark?) OR ("beasley lake" OR "choptank river" OR "goodwin creek" OR "leon river" OR "little river" OR "north walnut creek" OR "st. joseph river" OR "salt river" OR "mark twain" OR ("south fork" AND "iowa") OR "town brook" OR "upper big Walnut creek" OR "upper washita river" OR "yalobusha river" OR "mahantango creek" OR "goodwater creek")
Publish Date
1991
Remove constraint Publish Date: 1991
Topic
Artificial groundwater recharge
Remove constraint Topic: Artificial groundwater recharge