A. A. Rich and Associates
Fisheries and Ecological Consultants
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Featured Projects
Dams, Water Diversions and Instream Flows
Dredging and Mining
Estuary and Marine
Fish Physiology
Fish Rehabilitation
Sacramento-San Joaquin River System
Sierra Nevada and Lake Tahoe
Timber Harvest
Water Quality and Water Temperature
Fish Salvage and Relocation Projects, California
Our Clients
Federal, State, and Local Agencies
Private Companies
Law Firms
Environmental Organizations
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