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Cover image for Nutrient chemistry in the Elizabeth Lake subwatershed

Nutrient chemistry in the Elizabeth Lake subwatershed

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Cover image for A structured decision-making framework for managing cyanobacterial harmful algal blooms in New York State parks

A structured decision-making framework for managing cyanobacterial harmful algal blooms in New York State parks

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Cover image for Depth of groundwater used for drinking-water supplies in the United States

Depth of groundwater used for drinking-water supplies in the United States

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Cover image for Using regional watershed data to assess water-quality impairment in the Pacific drainages of the United States

Using regional watershed data to assess water-quality impairment in the Pacific drainages of the United States

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Cover image for Estimating invertebrate response to changes in total nitrogen, total phosphorus, and specific conductance at sites where invertebrate data are unavailable

Estimating invertebrate response to changes in total nitrogen, total phosphorus, and specific conductance at sites where invertebrate data are unavailable

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Cover image for Cyanobacteria, cyanotoxin synthetase gene, and cyanotoxin occurrence among selected large river sites of the conterminous United States, 2017--18

Cyanobacteria, cyanotoxin synthetase gene, and cyanotoxin occurrence among selected large river sites of the conterminous United States, 2017--18

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Cover image for Simulation of groundwater flow in the regional aquifer system on Long Island, New York, for pumping and recharge conditions in 2005-15

Simulation of groundwater flow in the regional aquifer system on Long Island, New York, for pumping and recharge conditions in 2005-15

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Cover image for Quality of pesticide data for groundwater analyzed for the National Water-Quality Assessment Project, 2013-18

Quality of pesticide data for groundwater analyzed for the National Water-Quality Assessment Project, 2013-18

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Cover image for Groundwater age and susceptibility of South Atlantic and Gulf Coast principal aquifers of the contiguous United States

Groundwater age and susceptibility of South Atlantic and Gulf Coast principal aquifers of the contiguous United States

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Cover image for Distribution of selected hydrogeologic characteristics of the upper glacial and Magothy aquifers, Long Island, New York

Distribution of selected hydrogeologic characteristics of the upper glacial and Magothy aquifers, Long Island, New York

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