David Evans & Associates, Inc

River Design Group (RDG) is a leading ecosystem and river restoration consulting firm based in the northwestern United States, combining science-based knowledge with proven restoration techniques. With over 400 years of combined experience, RDG has successfully completed more than 550 river restoration design projects and has a strong track record in dam removal and fish passage improvement. Dedicated to sustainability and community engagement, RDG has managed over $75 million in constructed restoration projects across the Western United States. The firm specializes in various services, including stream, floodplain, wetland, and fisheries habitat restoration, as well as watershed assessments and remote sensing technologies. Generated from the website

Geotechnical Resources, Inc. (GRI) was established in 1984 and provides geotechnical engineering, geologic, and environmental design and consulting services from offices in Oregon and Washington. The size and technical excellence of our staff permit us to offer a broad range of expertise, plus personalized service to each client. The professional staff is well-trained academically and highly skilled technically. We have the practical, hands-on experience required to economically and accurately characterize site conditions and provide innovative, practical, and buildable recommendations for design and construction