During his visit, Secretary Salazar announced that the National Park Service will offer three fee-free weekends throughout the entire system to encourage Americans to experience national treasures like Cuyahoga Valley National Park.
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Ohio to get $23 Million ARRA Investment
During his visit, Secretary Salazar announced that the National Park Service will offer three fee-free weekends throughout the entire system to encourage Americans to experience national treasures like Cuyahoga Valley National Park.
NPS employee sampling water in Voyageurs National Park
NPS employee sampling water in Voyageurs National ParkNational Park Service employee Jaime LeDuc holds a sample bottle in a zip-lock bag in Voyageurs National Park.
NPS employee sampling water in Voyageurs National Park
NPS employee sampling water in Voyageurs National ParkNational Park Service employee Jaime LeDuc holds a sample bottle in a zip-lock bag in Voyageurs National Park.
Road-salt storage at Jones Island, Milwaukee, WI
Road-salt storage at Jones Island (Milwaukee Harbor, February 2004) underscores increasing salt usage and increasing concerns about the effects of overuse on waterways.
Road-salt storage at Jones Island (Milwaukee Harbor, February 2004) underscores increasing salt usage and increasing concerns about the effects of overuse on waterways.
Hydrologic technician clearing branches around streamgage 05104500 Roseau River Below South Fork Near Malung, Minnesota
Hydrologic technician clearing branches around streamgage 05104500 Roseau River Below South Fork Near Malung, MinnesotaHydrologic technician Russ Buesing clearing branches covered in heavy snow obstructing a GOES antenna at streamgage 05104500 Roseau River Below South Fork Near Malung, Minnesota.
Hydrologic technician clearing branches around streamgage 05104500 Roseau River Below South Fork Near Malung, Minnesota
Hydrologic technician clearing branches around streamgage 05104500 Roseau River Below South Fork Near Malung, MinnesotaHydrologic technician Russ Buesing clearing branches covered in heavy snow obstructing a GOES antenna at streamgage 05104500 Roseau River Below South Fork Near Malung, Minnesota.
Streamgage 05104500 Roseau River Below South Fork Near Malung, Minnesota
Streamgage 05104500 Roseau River Below South Fork Near Malung, MinnesotaStreamgage 05104500 Roseau River Below South Fork Near Malung, Minnesota.
Streamgage 05104500 Roseau River Below South Fork Near Malung, Minnesota
Streamgage 05104500 Roseau River Below South Fork Near Malung, MinnesotaStreamgage 05104500 Roseau River Below South Fork Near Malung, Minnesota.
Hydrologic technician steps on to cable car at streamgage 05104500 Roseau River Below South Fork Near Malung, Minnesota
Hydrologic technician steps on to cable car at streamgage 05104500 Roseau River Below South Fork Near Malung, MinnesotaHydrologic technician Russ Buesing steps on to cable car at streamgage 05104500 Roseau River Below South Fork Near Malung, Minnesota.
Hydrologic technician steps on to cable car at streamgage 05104500 Roseau River Below South Fork Near Malung, Minnesota
Hydrologic technician steps on to cable car at streamgage 05104500 Roseau River Below South Fork Near Malung, MinnesotaHydrologic technician Russ Buesing steps on to cable car at streamgage 05104500 Roseau River Below South Fork Near Malung, Minnesota.
Example mercury laboratory request for analysis form
Example mercury laboratory request for analysis formExample completed filled in Wisconsin District Mercury Laboratory Request for Analysis form.
Example mercury laboratory request for analysis form
Example mercury laboratory request for analysis formExample completed filled in Wisconsin District Mercury Laboratory Request for Analysis form.
Testing for Avian Influenza
A USGS scientist takes a sample from a northern pintail duck (Anas acuta) to be tested for avian influenza.
A USGS scientist takes a sample from a northern pintail duck (Anas acuta) to be tested for avian influenza.
North Fork Kentucky River at Hazard, KY - flood inundation map
North Fork Kentucky River at Hazard, KY - flood inundation mapNorth Fork Kentucky River at Hazard, KY - flood inundation map
North Fork Kentucky River at Hazard, KY - flood inundation map
North Fork Kentucky River at Hazard, KY - flood inundation mapNorth Fork Kentucky River at Hazard, KY - flood inundation map
Streamgage 05331580 Mississippi River below lock and dam #2 at Hastings, Minnesota
Streamgage 05331580 Mississippi River below lock and dam #2 at Hastings, MinnesotaStreamgage 05331580 Mississippi River below lock and dam #2 at Hastings, Minnesota with a railroad bridge in background.
Streamgage 05331580 Mississippi River below lock and dam #2 at Hastings, Minnesota
Streamgage 05331580 Mississippi River below lock and dam #2 at Hastings, MinnesotaStreamgage 05331580 Mississippi River below lock and dam #2 at Hastings, Minnesota with a railroad bridge in background.
Wabash River at New Harmony IN - bridge measurement
Wabash River at New Harmony IN - bridge measurementWabash River at New Harmony IN - bridge measurement
Wabash River at New Harmony IN - bridge measurement
Wabash River at New Harmony IN - bridge measurementWabash River at New Harmony IN - bridge measurement
Wabash River at New Harmony IN - high water
Wabash River at New Harmony IN - high water
Great Lakes Science Center
Road sign in front of the Great Lakes Science Center in Ann Arbor MI.
Road sign in front of the Great Lakes Science Center in Ann Arbor MI.
Sampling a public-supply well in South St. Paul, Minnesota
Sampling a public-supply well in South St. Paul, MinnesotaA USGS water-quality sampling crew sets up to collect a groundwater sample from a public-supply well in South St. Paul, Minnesota, as part of the USGS National Water Quality Assessment (NAWQA) Project.
Sampling a public-supply well in South St. Paul, Minnesota
Sampling a public-supply well in South St. Paul, MinnesotaA USGS water-quality sampling crew sets up to collect a groundwater sample from a public-supply well in South St. Paul, Minnesota, as part of the USGS National Water Quality Assessment (NAWQA) Project.
Indiana Harbor Canal at East Chicago, IN - gage house
Indiana Harbor Canal at East Chicago, IN - gage houseIndiana Harbor Canal at East Chicago, IN - gage house
Indiana Harbor Canal at East Chicago, IN - gage house
Indiana Harbor Canal at East Chicago, IN - gage houseIndiana Harbor Canal at East Chicago, IN - gage house
Stream gage house at Little Menomonee River near Freistadt
Stream gage house at Little Menomonee River near FreistadtStream gage house at Little Menomonee River near Freistadt (04087050), during high water.
Stream gage house at Little Menomonee River near Freistadt
Stream gage house at Little Menomonee River near FreistadtStream gage house at Little Menomonee River near Freistadt (04087050), during high water.
Field crew sampling invertebrates at South Branch Rush River, MN
Field crew sampling invertebrates at South Branch Rush River, MNU.S. Geological Survey field crew sampling invertebrates at South Branch Rush River, MN.
Field crew sampling invertebrates at South Branch Rush River, MN
Field crew sampling invertebrates at South Branch Rush River, MNU.S. Geological Survey field crew sampling invertebrates at South Branch Rush River, MN.
Lake Whitefish
Lake Whitefish from our fall survey.
Lake Whitefish from our fall survey.
Studies at Voyageurs National Park Revealed Trends in Mercury
Studies at Voyageurs National Park Revealed Trends in MercuryVoyageurs National Park (VNP), a pristine setting with abundant lakes, wetlands, and streams situated on granitic bedrock, is located near northern Minnesota's border with Canada. Long-term studies at VNP have revealed trends in mercury concentration in precipitation, surface water, and fish.
Studies at Voyageurs National Park Revealed Trends in Mercury
Studies at Voyageurs National Park Revealed Trends in MercuryVoyageurs National Park (VNP), a pristine setting with abundant lakes, wetlands, and streams situated on granitic bedrock, is located near northern Minnesota's border with Canada. Long-term studies at VNP have revealed trends in mercury concentration in precipitation, surface water, and fish.
Scientists sampling fish from a canoe on Shoepack Lake
Scientists sampling fish from a canoe on Shoepack LakeMark Sandheinrich and Sean Bailey of the University of Wisconsin - La Crosse sampling fish from a canoe on Shoepack Lake in Voyageurs National Park.
Scientists sampling fish from a canoe on Shoepack Lake
Scientists sampling fish from a canoe on Shoepack LakeMark Sandheinrich and Sean Bailey of the University of Wisconsin - La Crosse sampling fish from a canoe on Shoepack Lake in Voyageurs National Park.
Scientists sampling for fish on Shoepack Lake via canoe
Scientists sampling for fish on Shoepack Lake via canoeMark Sandheinrich and Sean Bailey of the University of Wisconsin - La Crosse sampling fish from a canoe on Shoepack Lake in Voyageurs National Park. A burned tree is in the foreground from a previous wildland fire.
Scientists sampling for fish on Shoepack Lake via canoe
Scientists sampling for fish on Shoepack Lake via canoeMark Sandheinrich and Sean Bailey of the University of Wisconsin - La Crosse sampling fish from a canoe on Shoepack Lake in Voyageurs National Park. A burned tree is in the foreground from a previous wildland fire.