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USGS 01088400 MERRIMACK RIVER AT CONCORD, NH
Data Type Begin Date End Date Count
 Field measurements 1979-04-09  2001-04-20  11 
 Field/Lab water-quality samples 1979-04-09  1982-09-15  43 
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USGS 431311070570702 NH-DJW 201
Data Type Begin Date End Date Count
 Field groundwater-level measurements 1987-01-29  1987-01-29  1 
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