I have 30 years of experience and specialize in the field of hydrology and civil engineering with specific knowledge in the areas of hydrology, hydraulics, floods, water supply, water quality and dam, spillway, and reservoir safety and operations. I have published on such topics as flood control, hydrology and water rights. I have testified 12 times on topics such as hydrology, canal safety, water rights, sedimentation, flooding, reservoir operation, spillways and flood control.