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Anthony Lopez: A USGS Hydrologist
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Location: NJ, Barnegat Bay, USA
Emerging Contaminants
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Location: Portland, OR, USA
Shocking! Electrofishing for Largescale Suckers on the Columbia River
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Location: St. Helens, OR, USA
Stormwater, Impervious Surface, and Stream Health
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Location: Howard County, MD, USA
Effects of Urbanization on Stream Ecosystems
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Location: Raleigh, NC, USA
The Effects of Urbanization on Stream Ecosystems (extended) Part I: Introduction
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Location: Raleigh, NC, USA
The Effects of Urbanization on Stream Ecosystems (extended) Part II: Study Design
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Location: Raleigh, NC, USA
The Effects of Urbanization on Stream Ecosystems (extended) Part III: Study Results
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Location: Raleigh, NC, USA
Why Some Public-Supply Wells are More Vulnerable to Contamination Than Others
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Location: USA
USGS Public Lecture Series: Out of Africa--Dust in the Wind
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Location: Reston, VA, USA
Paddling for a Purpose: Coast Salish Tribal Journey 2009
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Location: USA
USGS Congressional BriefingBeach Health: Safe to Swim? (presentation highlights)
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Location: Washington, DC, USA