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January 24, 2007

Herrera

Niklas Christensen, Joe Amann and Rich Scheibley have joined Herrera’s water resources group in Seattle. Christensen has five years of experience on projects including assessing the hydrologic implications of climate change, water quality investigations, and designing and installing groundwater monitoring networks. Amann has 10 years combined experience and education in hydraulic and hydrologic modeling, water quality sampling, and geomorphologic assessment. Sheibley has 10 years of experience studying biogeochemical cycling in aquatic ecosystems, focusing on streams in the Pacific Northwest. David Yu joined the water resources staff in the Portland office. He has conducted stormwater monitoring, data management and analytical data analysis. Other additions include Christopher Kistner, marketing assistant, Ann Harbor, support services and Vicki Ghio, business management group.




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