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Not All Arsenic Tests are Created Equal

Not All Arsenic Tests are Created Equal

The reliability of arsenic testing for drinking water in Minnesota depends on how and when well water samples are collected, according to a new U.S...

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Understanding the Mineral Resources of the Midcontinent Rift

Understanding the Mineral Resources of the Midcontinent Rift

The first great geologic expeditions of the United States set off in the mid-1800s, equipped with mules, rifles, and early scientific instruments...

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Groundwater Quality in the Midwest: The Cambrian-Ordovician Aquifer System

Groundwater Quality in the Midwest: The Cambrian-Ordovician Aquifer System

A regional assessment of untreated groundwater in the Cambrian-Ordovician aquifer system, which includes parts of Minnesota, Wisconsin, Michigan, Iowa...

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Scientists Home in on Causes of High Radium Levels in Key Midwestern Aquifer

Scientists Home in on Causes of High Radium Levels in Key Midwestern Aquifer

Oxygen levels, dissolved minerals among factors responsible for high concentrations of radium in untreated water from aquifer that underlies six...

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Emerging Disease Further Jeopardizes North American Frogs

Emerging Disease Further Jeopardizes North American Frogs

A deadly amphibian disease called severe Perkinsea infections, or SPI, is the cause of many large-scale frog die-offs in the United States, according...

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Groundwater Pumping, Precipitation Can Affect Lake Levels in Twin Cities

Groundwater Pumping, Precipitation Can Affect Lake Levels in Twin Cities

Both precipitation and groundwater withdrawals, among other factors, influence lake-water levels in the northeast Twin Cities metropolitan area, and...

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Public Invitation: USGS La Crosse Science Center Opens Doors for Interactive Experience

Public Invitation: USGS La Crosse Science Center Opens Doors for Interactive Experience

The public is invited to attend a free, family-friendly open house at a local U.S. Geological Survey center for ecology research on Saturday...

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Stitching Together the New Digital Geologic Quilt of the United States

Stitching Together the New Digital Geologic Quilt of the United States

A carbonatite here, a glacial moraine there, a zig-zagging fault or two, even a behemoth of a batholith. The geology of the 50 States is an enormous...

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Changing Tides: Lake Michigan Could Best Support Lake Trout and Steelhead

Changing Tides: Lake Michigan Could Best Support Lake Trout and Steelhead

Invasive mussels and less nutrients from tributaries have altered the Lake Michigan ecosystem making it more conducive to the stocking of lake trout...

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Deadly Fungus Affecting Hibernating Bats Could Spread During Summer

Deadly Fungus Affecting Hibernating Bats Could Spread During Summer

The cold-loving fungus (Pseudogymnoascus destructans, or Pd) that causes white-nose syndrome, a disease that has killed millions of North American...

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USGS Crews Measure Heavy Flooding in Ohio

USGS Crews Measure Heavy Flooding in Ohio

U.S. Geological Survey field crews are measuring heavy flooding in the Columbus and Newark Ohio areas, as well as the northwest part of the state.

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Red Dye Study Will Examine Water Flow through Auxiliary Lock 14 near the Quad Cities

Red Dye Study Will Examine Water Flow through Auxiliary Lock 14 near the Quad Cities

U.S. Geological Survey scientists will inject a harmless, bright red fluorescent dye into the auxiliary lock at Locks and Dam 14 on the Mississippi...

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